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salantis [7]
2 years ago
15

Using the functions f(x) = 2x + 7, g(x) = x2 - 4, and h(x) = 5x. Find all of the following. Make sure your answer is in simplest

form. a. 4h(x) b. f(x) - g(x) c. f(g(x)) d. g(x)h(x) e. g(x) / f(x)
Mathematics
1 answer:
Stolb23 [73]2 years ago
7 0

Answer:

Given

f(x) = 2x+7

g(x) = x^2-4

h(x) = 5x

a. 4h(x)

= 4 * 5x

= 20x

b. f(x) - g(x)

f(x) - g(x) = 2x + 7 - (x^2 - 4)

= 2x+7-x^2+4

=-x^2+2x+7+4

=-x^2+2x+11

c. f(g(x)) = 2(g(x))+7

=2(x^2-4) +7

=2x^2-8+7

=2x^2-1

d. g(x)h(x) = (x^2-4)(5x)

= 5x^3 - 20x

e. g(x) / f(x) = x2 - 4/ 2x + 7

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Table
viktelen [127]

4) The first and second terms for both ratios need to be in the same order.

Step-by-step explanation:

Given ratio is:

16:36

In order to find any ratio equivalent to given ratio, the ratio can be divided by a number or multiplied to a number.

The equivalent ratio that is given: 72:32

If we multiply the given ratio by 2: We get 32:72

So,

Looking at the options we can conclude that the right answer is

4) The first and second terms for both ratios need to be in the same order.

Keywords: Ratio, Fractions

Learn more about ratios at:

  • brainly.com/question/1993757
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3 0
3 years ago
(8-(2-2))∙9<br><br> 9<br><br> 34<br><br> 72<br><br> 118
dsp73

Answer: 72

Step-by-step explanation:

(8-(2-2))×9

First do (2-2=0)

(8-0=8)

8×9=72

Hope this helps

8 0
2 years ago
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Please answer this (who ever answers correctly gets brainlest)
disa [49]

Answer:

last one "kiki" is true...

6 0
2 years ago
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URGENT] What is the perimeter of the figure? 28 m 22 m 20 m 14 m
Jet001 [13]

The perimeter of given figure is 20 meters.

Step-by-step explanation:

Given lengths of shape are;

3m, 4m, 7m, 1m, 5m

We have to find the perimeter of the shape.

A perimeter is the length of outline or boundary of any shape.

Perimeter of the shape = Sum of lengths

Perimeter of the shape = 3+4+7+1+5

Perimeter of the shape = 20 meters

The perimeter of given figure is 20 meters.

Keywords: addition, perimeter

Learn more about addition at:

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8 0
3 years ago
What’s the answer to this please?
MAVERICK [17]
The answer is c I think
8 0
3 years ago
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