2 years ago

If f(x) = 21 + 3sqrt(x+12)

Mathematics

1 answer:

Rudiy272 years ago

4 0

Answer:

Step-by-step explanation:

g(4) = 2x^2+5

= 2(4)^2+5

= 2(16)+5

= 32+5

= 37

f(g(4)) = 21+3sqrt(x+12)

= 21+3sqrt(37+12)

= 21+3sqrt(49)

= 21+3(7)

= 21+21

= 42

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