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If f(x) = 4x-20 , what is f(4) A.16 B. 4 C. -12 D. -4
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If f(x) = 4x-20 , what is f(4) A.16 B. 4 C. -12 D. -4

User Jeeyoungk
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2 Answers

3 votes

Answer: -4

Step-by-step explanation: f ( x ) = 4x - 20

just replace the x with 4 and solve

4 ( 4 ) - 20

16 - 20

= -4

User Brian M Stafford
by
4.7k points
5 votes

Answer:

D. -4

Explanation:

f(x) = 4x - 20

f(4) = 4(4) - 20

f(4) = 16 - 20

f(4) = -4

User Marius Bughiu
by
5.0k points
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