If f(x) = 4x - 20, what is f(4)?
O A. -4
оо
O B. -12
O c. 4
O D. 16
2 answers:
Answer:
A. - 4
Step-by-step explanation:
f(4) = 4(4) - 20 = 16 - 20 = - 4
Answer: A
Explanation:
If f(x) = 4x - 20
Then find f(4):
To find f(4) simply replace 4 to x
f(4) = 4(4) - 20
f(4) = 16 - 20
f(4) = -4
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