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Find f(-4) if f(x) = 3x - 6. A 6 B -6 C 18 D -18
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Find f(-4) if f(x) = 3x - 6.

A 6
B -6
C 18
D -18

User Vogdb
by
8.5k 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
8.1k 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
7.6k points
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