Question 1

Find the function value.
-Find f(2) when f(x) = -x + 5.
A) -3
B) 6
C) 3
D) 2

Accepted Answer

To find f(2), substitute x = 2 into the function f(x) = -x + 5, which gives f(2) = -(2) + 5 = 3.

Question 2

Is the following correspondence a function?
-

Accepted Answer

True

Question 3

Find the function value.
-Find f(4) when f(x) = -4x + 13.
A) -3
B) 8
C) -52
D) 13

Accepted Answer

To find f(4), substitute x with 4 in the function f(x) = -4x + 13, which gives f(4) = -4(4) + 13 = -16 + 13 = -3.

Question 4

Is the following correspondence a function?
-

Accepted Answer

The answer of Is the following correspondence a function?
-
 ...

Question 5

Find the function value.
-Find f(6) when f(x) = 
A) -4
B) 10
C) -10
D) 6

Accepted Answer

The answer of Find the function value.
-Find f(6) when f(x)...

Question 6

Is the following correspondence a function?
-

Accepted Answer

The answer of Is the following correspondence a function?
-
 ...

Question 7

Is the following correspondence a function?
-Domain: All students attending the University of Ohio Correspondence: Each student's teachers
Range: A set of teachers

Accepted Answer

A student can have multiple teachers, so the correspondence does not assign exactly one output (teacher) for each input (student), which violates the definition of a function.

Question 8

Is the following correspondence a function?
-

Accepted Answer

The answer of Is the following correspondence a function?
-
 ...

Question 9

Is the following correspondence a function?
-

Accepted Answer

The answer of Is the following correspondence a function?
-
 ...

Question 10

Find the function value.
-Find f(-4) when f(x) = 5x - 1.
A) -21
B) 21
C) -11
D) -24

Accepted Answer

To find f(-4), substitute x = -4 into the function f(x) = 5x - 1: f(-4) = 5(-4) - 1 = -20 - 1 = -21.

Question 11

Find the function value.
-Find g(a - 1) when g(x) = 3x - 1.
A) 3a - 4
B) 3a + 1
C) 3a - 1
D)

Accepted Answer

The answer of Find the function value.
-Find g(a - 1)...

Question 12

Find the function value.
-Find f(2) when f(x) =  + 3x + 1.
A) -3
B) 9
C) 11
D) -1

Accepted Answer

The answer of Find the function value.
-Find f(2) when f(x)...

Question 13

Is the following correspondence a function?
-

Accepted Answer

The answer of Is the following correspondence a function?
-
 ...

Question 14

Find the function value.
-Find f(2) when f(x) =  + 3x - 5.
A) 5
B) -3
C) 19
D) 9

Accepted Answer

The answer of Find the function value.
-Find f(2) when f(x)...

Question 15

Find the function value.
-Find f(0) when f(x) =  + 3x - 3.
A) 3
B) 9
C) -3
D) 0

Accepted Answer

The answer of Find the function value.
-Find f(0) when f(x)...

Question 16

Is the following correspondence a function?
-

Accepted Answer

The answer of Is the following correspondence a function?
-
 ...

Question 17

Find the function value.
-Find f(10) when f(x) = 9.
A) 9
B) -9
C) 90
D) 10

Accepted Answer

The function f(x) = 9 means that for any value of x, the function's value is always 9. Therefore, f(10) = 9.

Question 18

Find the function value.
-Find f(2a) when f(x) =  + 6x.
A) 
B) 
C) 
D)

Accepted Answer

The answer of Find the function value.
-Find f(2a) when f(x)...

Question 19

Is the following correspondence a function?
-

Accepted Answer

The answer of Is the following correspondence a function?
-
 ...

Question 20

Is the following correspondence a function?
-Domain: All students attending Laughlin Community College Correspondence: Each student's Social security Number Range: A set of Social Security Numbers

Accepted Answer

Each student can only have one Social Security Number and every student at Laughlin Community College has a Social Security Number, so this correspondence is a function.

Quiz 8: Graphs, Functions, and Applications

Find the function value. -Find f(2) when f(x) = -x + 5.

Is the following correspondence a function? -

Find the function value. -Find f(4) when f(x) = -4x + 13.

Is the following correspondence a function? -

Find the function value. -Find f(6) when f(x) =

Is the following correspondence a function? -

Is the following correspondence a function? -Domain: All students attending the University of Ohio Correspondence: Each student's teachers Range: A set of teachers

Is the following correspondence a function? -

Is the following correspondence a function? -

Find the function value. -Find f(-4) when f(x) = 5x - 1.

Find the function value. -Find g(a - 1) when g(x) = 3x - 1.

Find the function value. -Find f(2) when f(x) = + 3x + 1.

Is the following correspondence a function? -

Find the function value. -Find f(2) when f(x) = + 3x - 5.

Find the function value. -Find f(0) when f(x) = + 3x - 3.

Is the following correspondence a function? -

Find the function value. -Find f(10) when f(x) = 9.

Find the function value. -Find f(2a) when f(x) = + 6x.

Is the following correspondence a function? -

Is the following correspondence a function? -Domain: All students attending Laughlin Community College Correspondence: Each student's Social security Number Range: A set of Social Security Numbers