If f(x) = 4x + 5, what is the value of f(-3)? (1) -2 (2) 7 (3) 17 (4) 4 How would the answer be different if you had f(3) ?

asked Nov 9, 2020 210k views

0 votes

If f(x) = 4x + 5, what is the value of f(-3)?

(1) -2
(2) 7
(3) 17
(4) 4
How would the answer be different if you had f(3) ?

by Claw

4.6k points

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3 votes

f(-3)=4(-3)+5
f(-3)=-12+5
f(-3)=-7

f(3)=4(3)+5
f(3)=12+5
f(3)=17

Jigar Thakkar answered Nov 16, 2020

4.8k points

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