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3 years ago

Let f(x)=(x+2)^2

Mathematics

1 answer:

user100 [1]3 years ago

7 0

The graph if g(x) is vertically stretched by a factor of 3
Hope this helped :)

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An investment grows by 22% over a 5 year period. What is its effective annual percent growth rate

iren2701 [21]

Since annual means per year, then you need to divide 22 by 5.

5 / 22 = 4.4

Now lets check our work.

4.4 x 5 = 22

3 0

3 years ago

What are the solutions to the quadratic equation below x^2+20x+100=7

aleksandrvk [35]

First you must have the quadratic equal to zero. In order to do this you must subtract 7 to both sides

x^2 + 20x + (100 - 7) = 7 - 7

x^2 + 20x + 93 = 0

Now you must find two numbers who's sum equals 20 and their multiplication equal 93

Are there any? NO!

This means that you have to use the formula:

$\frac{-b±\sqrt{b^{2} - 4ac} }{2a}$

In this case:

a = 1

b = 20

c = 93

$\frac{-(20) plus/minus\sqrt{20^{2} - 4(1)(93)} }{2*1}$

$\frac{-20 plus/minus\sqrt{400 - 372} }{2}$

$\frac{-20 plus/minus\sqrt{28} }{2}$

^^^We must simplify √28

√28 = 2√7

so...

$\frac{-20 plus/minus 2\sqrt{7} }{2}$

simplify further:

$-10 plus/minus\sqrt{7$

-10 + √7

-10 - √7

***plus/minus = ±

Hope this helped!

~Just a girl in love with Shawn Mendes

7 0

3 years ago

Use the picture for the question and the answer choices:)

Orlov [11]

Parenthesis first 5-2=3.

7^2=49

-3*3=-9

49-9=40.

A is your answer.

8 0

3 years ago

Find the gof of g[5X+2]^3-4

anygoal [31]

Answer:

what is value of f in given function

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2 years ago

What's the unit rate for 219 heartbeats in 3 minutes?

olga2289 [7]

Easy
219/3=73Beats per minute

7 0

3 years ago

Read 2 more answers