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Compute the exact value of the function for the given x-value without using a calculator.

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

a. 1/5
b. -1/5
c. 1/1
d. -5

User ZurabWeb
by
4.5k points

2 Answers

8 votes

Answer:

D


f(x) = 5x \: \: \: when \: x = - 1 \\ f( - 1) = 5( - 1) \\ f( - 1) = - 5

User Hcaelxxam
by
4.3k points
8 votes

Answer:

d

Explanation:

Given

f(x) = 5x , then substitute x = - 1, that is

f(- 1) = 5 × - 1 = - 5 → d

User Tabares
by
4.2k points