Evaluate a Function
Evaluate the function at the given value of the independent variable and simplify.
-$$f ( x ) = \sqrt { x + 19 } ; \quad f ( - 3 )$$
A) 4
B) $- 4$
C) 2
D) not a real number

Name: Evaluate a Function Evaluate the function at the given value of the independent variable and simplify. -\[f ( x ) = \sqrt { x + 19 } ; \quad f ( - 3 )\] A) 4 B) $- 4$ C) 2 D) not a real number
Brand: Quizplus
Rating: 4.9 (29 reviews)

Question

Quizplus · Accepted Answer

To evaluate $f(-3)$, substitute $-3$ for $x$ in the function: $f(-3) = \sqrt{-3 + 19} = \sqrt{16} = 4$.

Evaluate a Function Evaluate the Function at the Given Value f(x)=x+19;f(−3)f ( x ) = \sqrt { x + 19 } ; \quad f ( - 3 )f(x)=x+19​;f(−3)

Evaluate a Function
Evaluate the Function at the Given Value $f ( x ) = \sqrt { x + 19 } ; \quad f ( - 3 )$