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3 years ago

If f(x) = 5x - 1 and g(x) = 2x^2 + 1 , what is the value of ( f x g )(-3) ?

Mathematics

2 answers:

exis [7]3 years ago

8 0

Answer:

D ( f x g )(-3) = -304.

Step-by-step explanation:

Given :If f(x) = 5x - 1 and g(x) = 2x² + 1.

To find: what is the value of ( f x g )(-3) .

Solution: We have given that If f(x) = 5x - 1 and g(x) = 2x² + 1.

We need to find ( f x g )(-3) .

f(x) * g(x) = (5x - 1 )* (2x² + 1).

f(x) * g(x) = 10x³+5x -2x² -1 .

f(x) * g(x) = 10x³-2x² + 5x -1.

( f x g )(-3) = 10 (-3)³ - 2(-3)² +5 (-3) -1.

( f x g )(-3) = 10 ( -27) - 2( 9) - 15 -1

( f x g )(-3) = -270 -18 - 16

( f x g )(-3) = -304.

Therefore, D ( f x g )(-3) = -304.

Genrish500 [490]3 years ago

6 0

The answer is b hope this helps

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