Question 4 Given f (20) = 5, find x if f(x) = -3x – 4 -3 -19 O 11 O 12 help

asked May 3, 2021 119k views

5 votes

Question 4

Given f (20) = 5, find x if f(x) = -3x – 4
-3
-19
O 11
O 12
help

6.7k points

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5 votes

Answer:

-19

Explanation:

f(x) = 5 , f(x) = -3x-4

We just have to plug in 5 into f(x) and solve for y

$f(5) = -3(5) - 4 \\f(5) = -15 - 4 \\f(5) = -19$

Deltacrux answered May 7, 2021

5.7k points

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