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IgorLugansk [536]
3 years ago
6

If f(x)=x+2 and g(x)=3x^2+7x find (f x g)(x)

Mathematics
1 answer:
jek_recluse [69]3 years ago
6 0

Answer:

3x³ + 13x² + 14x

Step-by-step explanation:

(f × g)(x)

= f(x) × g(x)

= (x + 2)(3x² + 7x)

= x(3x² + 7x) + 2(3x² + 7x) ← distribute parenthesis

= 3x³ + 7x² + 6x² + 14x ← collect like terms

= 3x³ + 13x² + 14x

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Dmitriy789 [7]

Answer:

D

Step-by-step explanation:

An exponential function which crosses through (1,3) and (2,9) will have a base of 3 since the y values are multiples of 3.

3^1 = 3

3^2 = 9

This means that the function is y = 3^x.

7 0
3 years ago
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Tina and her friend are picking apples at Newberry Orchard. The apples cost $1.40 per pound. If they pick 2.5 pounds of apples,
sp2606 [1]

Answer:

$3.50

Step-by-step explanation:

the apples cost $1.40 per pound, so if we have 2.5 pounds, we would need to do this:

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8 0
3 years ago
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erik [133]
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21C3
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n!/[(n-k)!k!]
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4 0
3 years ago
What is the measure of
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Answer:

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