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Evaluate f(x) = -4x - 5 for x = -1. A. -9 B. -1 C. 1 D. 4
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4 votes
Evaluate f(x) = -4x - 5 for x = -1.

A. -9
B. -1
C. 1
D. 4

User Magentaqin
by
8.4k points

2 Answers

1 vote
f (x ) = - 4 x - 5 for x = -1

f(-1) = - 4*(-1) - 5

f(-1) = + 4 - 5

f(-1) = -1

hope this helps!
User Balsick
by
7.8k points
3 votes
f(x) = -4x - 5

Subtitute the value of x to the equation:

f(-1) = -4 · (-1) - 5 = 4 - 5 = -1
User Nicoabie
by
7.8k points
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