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vazorg [7]
3 years ago
5

F(x) = -5x g(x) = 8x^2 - 5x - 9 find (f•g)(x)

Mathematics
1 answer:
Stells [14]3 years ago
6 0

Answer:

B

Step-by-step explanation:

You are making composite functions, since all the answers provided dont fit, I only suggest to clearify that the lone term in the B option, is actually 45x and not 45.

If this is the case, composite functions means that you eval the expresion g(x) in every x variable found in f(x).

Using this, it gives you that f(g(x))= -40x^{2} +25x+45

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The pentagonal prism below has a base area of 38 units? and a height of 7.4 units.
alina1380 [7]

281.2 units³

volume of Prism: Base Area x Height

Here given:

Base Area: 38 units²

Height: 7.4 units

Solve for volume:

38 x 7.4

281.2 units³

5 0
1 year ago
Read 2 more answers
What is the value of x?
tigry1 [53]

Answer:

x = 61

Step-by-step explanation:

To answer this question, we combine like terms:

44 + 59 + 74 = 177

The total will have to be 360, so....

177 + x + x + x = 360

or

177 + 3x = 360

360 - 177 = 183

So, 3x = 183

183 / 3 = 61

So, x = 61!

:)

4 0
3 years ago
What are the characteristics of x^2-x+1
SSSSS [86.1K]
It is a quadratic equation, if it is equal to zero. It is not factor able. 
7 0
3 years ago
What is the point-slope form of a line with a slope -3 that contains the point (10,-1)
Citrus2011 [14]
<h2>y + 1 = -3(x - 10)</h2>

Here's the formula:

y - y1 = m(x - x1)

Substitute numbers accordingly:

y1: so 1 goes in the y1 spot (you switch the signs because it was already negative)

x1:  and 10 goes to the x1 spot

m:  -3 belongs in m

4 0
2 years ago
Ethan has $620 to spend at a bicycle store for some new gear and biking outfits. Assume all prices listed include tax. He buys a
garri49 [273]

Answer: 620≥ 427.57+ 11.38(4)+ (31.41) +57.75x

Step-by-step explanation:

So our limit is the 620$ that he has to spend. We know for a fact that the bike costs about 427.57 dollars. 4  $11.38 reflectors are purchased as well as gloves for 31.41.  Now however many outfits he can purchase cannot exceed or go over his money limit of 620 so the variable (x) represents how many outfits he can buy without going over.

6 0
3 years ago
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