Function Targets Worksheet
Function Targets
Evaluating Functions Practice • Part 1
Score: / 20
Name:
Date:
Period:
Directions: Substitute the given input into each function. Show all simplifying steps and record your final answer.
Problems 1–10
1
\( f(x) = 2x + 7 \)
Find \( f(4) \)
\( f(4) = \)
2
\( g(x) = 5 - 3x \)
Find \( g(3) \)
\( g(3) = \)
3
\( h(x) = -4x + 11 \)
Find \( h(-2) \)
\( h(-2) = \)
4
\( p(x) = \frac{1}{2}x - 6 \)
Find \( p(10) \)
\( p(10) = \)
5
\( f(n) = -6n - 15 \)
Find \( f(-3) \)
\( f(-3) = \)
6
\( g(x) = x^2 - 4x + 7 \)
Find \( g(5) \)
\( g(5) = \)
7
\( h(t) = -t^2 + 6t - 2 \)
Find \( h(4) \)
\( h(4) = \)
8
\( f(x) = 2x^2 - 5x + 3 \)
Find \( f(-2) \)
\( f(-2) = \)
9
\( k(x) = (x - 3)^2 + 5 \)
Find \( k(-1) \)
\( k(-1) = \)
10
\( w(x) = 3x^2 - 14 \)
Find \( w(-3) \)
\( w(-3) = \)
Function Targets • Evaluating Functions Page 1 of 2
Function Targets
Evaluating Functions Practice • Part 2
Name:
Problems 11–20
11
\( f(x) = |2x - 9| \)
Find \( f(2) \)
\( f(2) = \)
12
\( g(x) = 3|x + 4| - 8 \)
Find \( g(-7) \)
\( g(-7) = \)
13
\( h(x) = x^3 - 2x^2 + 5 \)
Find \( h(-2) \)
\( h(-2) = \)
14
\( f(x) = 15 - x^3 \)
Find \( f(3) \)
\( f(3) = \)
15
\( r(x) = \sqrt{3x + 10} \)
Find \( r(5) \)
\( r(5) = \)
16
\( v(x) = \sqrt{25 - x^2} \)
Find \( v(-3) \)
\( v(-3) = \)
17
\( f(x) = \frac{2x + 8}{x - 1} \)
Find \( f(5) \)
\( f(5) = \)
18
\( g(x) = \frac{x^2 - 9}{x + 2} \)
Find \( g(4) \)
\( g(4) = \)
19
\( h(x) = 2^{x+1} - 5 \)
Find \( h(3) \)
\( h(3) = \)
20
\( f(x) = 3(2^x) + 4 \)
Find \( f(2) \)
\( f(2) = \)
Function Targets • Evaluating Functions Page 2 of 2
