2 years ago

If f{x)=-4(x-6)+15,what is f(3)? A -3 B3 C27 D51

Mathematics

2 answers:

katovenus [111]2 years ago

7 0

Answer:

C. f(3)=27

Step-by-step explanation:

f(3)=-4(3-6)+15

f(3)=-4(-3)+15

f(3)=12+15

f(3)=27

LuckyWell [14K]2 years ago

3 0

Answer: C) 27

Step-by-Step Explanation:

=> f(x) = -4(x - 6) + 15
Therefore, f(3) means x = 3.

Substituting the value of ‘x’ :-
=> -4(x - 6) + 15
= -4(3 - 6) + 15
= -4 * 3 + -4 * -6 + 15 (Opening brackets)
= -12 + 24 + 15
= 12 + 15
= 27

Therefore, f(3) = 27

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