Answer:
f(-3) = -7
Step-by-step explanation:
Given:
f(x) = 4x + 5
x = -3
Plug in -3 for x in the equation:
f(-3) = 4(-3) + 5
Remember to follow PEMDAS. First multiply, then add:
f(-3) = 4(-3) + 5
f(-3) = -12 + 5
f(-3) = -7
f(-3) = -7 is your answer.
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