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Given the function ƒ(x) = 3x + 5, find ƒ(4) and x such that ƒ(x) = 38. Select one: A. 17; 11 B. 20; 13 C. 12; 15 D. 24; 9

Given the function ƒ(x) = 3x + 5, find ƒ(4) and x such that ƒ(x) = 38. Select one: A. 17; 11 B. 20; 13 C. 12; 15 D. 24; 9
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1 vote
Given the function ƒ(x) = 3x + 5, find ƒ(4) and x such that ƒ(x) = 38.

Select one:
A. 17; 11
B. 20; 13
C. 12; 15
D. 24; 9

asked
User That Dave Guy
by
7.5k points

1 Answer

3 votes

Answer:

A. 17 , 11

f(4)=3(4) + 5

=17

f(x)= 38

38 = 3x + 5

38 - 5 = 3x

33 = 3x

x =11

answered
User Gyandeep Sharma
by
8.0k points
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