For all values of x, f(x) = x/5 + 3 and g(x) = 10x²+ 5 Work out fg(x). Give your answer in the form ax2 + b where a and b are integers.

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asked Sep 15, 2022 69.7k views

8 votes

For all values of x,

f(x) = x/5 + 3
and
g(x) = 10x²+ 5
Work out fg(x).
Give your answer in the form ax2 + b where a and b are integers.

Mathematics
high-school

Asadullah Ali asked

by Asadullah Ali

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1 Answer

10 votes

Answer:

fg(x)=f(10x²+5)=(10x²+5)/5+3=10x²/5+5/5+5

=2x²+1+5=2x²+6

Agftrading answered Sep 19, 2022

by Agftrading

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