40.6k views
2 votes
Find f(-4) if f(x) = 3x - 6.

A 6
B -6
C 18
D -18

User Vogdb
by
9.0k points

2 Answers

0 votes

Answer:

D. -18

Explanation:

f(-4)=3(-4)-6 Substitute -4 for x

f(-4)=-12-6 Multiply 3 and -4

f(-4)=-18 Subtract 6 from -12

User Anandi Das
by
8.7k points
2 votes

Answer:

f(-4) = -18

Explanation:

f(-4) means x = - 4

So Plug in x = - 4 into f(x) = 3x - 6

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

= -12 - 6

= -18

So

f(-4) = -18

User Ubadub
by
8.1k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories