Help me with number one and number six before answering say which number you are answering please help me and thank you.

Mathematics

1 answer:

Ksenya-84 [330]4 years ago

5 0

1) 3 times 15 is 45
6) because in order for it to even have a slope it has to be constant through out the whole thing.

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If p(x) = 2x2 – 4x and q(x) = x – 3 what is (p*q)(x)

igomit [66]

The correct answer is 2x²-16x+30.

Explanation:
(p*q)(x) is a composition of the two functions p(x) and q(x); it is the same as p(q(x)). We replace every x in p(x) with our value of q(x), x-3:
instead of 2x², we have 2(x-3)², and instead of -4x, we have -4(x-3).

This gives us 2(x-3)²-4(x-3). This is the same as 2(x-3)(x-3)-4(x-3).

Multiplying, we have
2(x*x-3*x-3*x-3(-3))-(4*x-4*3)
=2(x²-3x-3x+9)-(4x-12)
=2(x²-6x+9)-4x+12.

Using the distributive property gives us
2*x²-2*6x+2*9-4x+12
=2x²-12x+19-4x+12.

Combine like terms, and we have 2x²-16x+30.

6 0

3 years ago

Read 2 more answers

While your family is visiting Deep creek lake, you and your mother decide to go boating. The Rangers charge $6.50 per hour in ad

pickupchik [31]

The total cost is $43.5 and it is obtained from the equation c = 6.5n + 25

Solution:

Given that, while your family is visiting Deep creek lake, you and your mother decide to go boating.

The Rangers charge $6.50 per hour in addition to $25.00 deposit to rent a canoe.

If you wish to rent the canoe from 12:30 to 3:30 PM,

We have to write and solve a linear equation to find the total cost to rent the canoe.

Now, we know that,