4 years ago

Use f (x) = 3x + 5 and g(x) = 3x2. solve g(22)

Mathematics

1 answer:

artcher [175]4 years ago

8 0

Answer: g=132, and

Step-by-step explanation: basically your gonna 3(22)(2) which equals to 132 and 3x+5= 3x+5 because there are no like terms.

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What are the x-intercepts of y=x^2+2x-15

Sedbober [7]

Answer:

$(-5,0)$ and $(3,0)$

Step-by-step explanation:

Think about it.

What two numbers multiply to -15 and add up to 2?

The answers are 5 and -3.

So plug that into the factored form of a parabola.

$y=(x+5)(x-3)$

To find the x-intercepts, plug in 0 for $y$ .

$(x+5)(x-3)=0$

Since we are multiplying, at least one of the terms has to equal 0.

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So the x-intercepts are $(-5,0)$ and $(3,0)$ .

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A plumber has a piece of pipe that is 2-meter long. He needs to cut it into sections that are 10 centimeters long. How many sect

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He would be able to cut 20 sections:)

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