# Quiz 24: Functions and Graphs

Business

Q 1Q 1

Which of the following equations might be used to calculate the total cost of production of a car ( c) given the prices of components (m), wages (w) and other fixed costs (f)?
A) c = (m + w) x f
B) c = m x w - f
C) c = m + w + f
D) c = m - (w + f)

Free

Multiple Choice

C

Free

Multiple Choice

D

Free

Multiple Choice

A

Free

Multiple Choice

Q 5Q 5

What is the general shape of the graph of a quadratic equation?
A) Straight line
B) A curve
C) An S-shape
D) A parabola

Free

Multiple Choice

Q 6Q 6

What degree is the equation y = 6x

^{4}+ 3x^{3}- 2x^{2}+ 7x - 8 ? A) First B) Second C) Third D) FourthFree

Multiple Choice

Q 7Q 7

Calculate the value of y when x = 3 and y = 4x

^{4}- 6x^{3}+ 3x^{2}+ 7x - 12 A) 194 B) 198 C) 202 D) 206Free

Multiple Choice

Q 8Q 8

How many turning points does the graph of a quadratic equation have?
A) None
B) One
C) Two
D) It can vary

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Multiple Choice

Q 9Q 9

Calculate the value of y when x = 5 and y = (2 decimal places)
A) 3.33
B) 4.44
C) 5.55
D) 6.66

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Multiple Choice

Q 10Q 10

When plotting the ratio of two linear functions, what name is given to lines that the graph cannot cross?
A) Boundaries
B) Limits
C) Asymptotes
D) Rationals

Free

Multiple Choice