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solniwko [45]
3 years ago
9

How do I do all of these questions for this one? Please help :(

Mathematics
1 answer:
morpeh [17]3 years ago
6 0
Critical points: (-4,-1)
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F (x) = x3 + 2, g(x) = x2 – 1, h(x) = 3x Evaluate. g(h( f ((–1))) = ?
Ilia_Sergeevich [38]
H(f(x))=3(x^2+2)

h(f(x))=3x^2+6

g(h(f(x)))=(3x^2+6)^3+2

g(h(f(-1)))=(3(-1)^2+6)^2+2

g(h(f(-1)))=(3+6)^2+2

g(h(f(-1)))=81+2

g(h(f(-1)))=83
5 0
3 years ago
An investor has an account with stock from two different companies. Last year, her stock in Company A was worth $6750 and her st
pantera1 [17]

Answer:

3.5%

Step-by-step explanation:

1. calculate starting total

6750 + 4210=10960

starting amount = $10,960

2. calculate stock    A2's value

  • decreased by 18%

to make the percentage usable in this equation we need to divide it by 100 to get it in decimal form. ⇒ \frac{18}{100} = 0.18

  • multiply stock A1 by perctage decimal to get the amount decreased

6750(0.18)=1215 ($1,215)

  • subtract stock A1 by decreased amount to get stock A2's value

6750-1215=5535

A2 = $5,535

3. calculate stock    B2's value

  • increased by 20%

to make the percentage usable in this equation we need to divide it by 100 to get it in decimal form. ⇒ \frac{20}{100} = 0.20

  • multiply stock B1 by perctage decimal to get the amount increased

4210(0.20)=842 ($842)

  • add stock B1 with increased amount to get stock B2's value

4210+842=5052

B2 = $5,052

4. get new amount of account

5052+5535=10587

new amount = $10,587

5. find percentage decrease of starting amount to new amount

  • divide starting amount by the new amount

\frac{10960}{10587} = 1.03523188816

  • then subtract by 1

1.03523188816-1 =0.03523188816

  • multiply by 100 to convert to percentage form

0.03523188816(100) =3.523188816

  • and round to <u>nearest tenth</u>

answer is ≈ 3.5%

::: (\_(\ Hope

*: (=' :') this

•.. (,('')('') helped :)

4 0
2 years ago
Simplify: 5m (5m* +5m -4)
aleksley [76]
C I think because if you multiply 5 to everything you would get c
7 0
3 years ago
Classify the triangle with angles with measures 33, 90, and 57 as acute, right, or obtuse.
Hitman42 [59]
This triangle is classified as a right triangle because it contains one right angle (90 degrees).

An obtuse triangle is given that classification when one of the angles is greater than 90 degrees.

An acute triangle is any triangle that has all 3 angles less than 90 degrees.

5 0
3 years ago
Read 2 more answers
1/3 of students at a school are boys. If there are 600 students, how many of them are girls?
Nadya [2.5K]

400

Explanation:

1/3 of 600 is 200. That represents the boys.

Subtract 200 from 600, you get 400. That represents everybody else in the sample size (in this case, girls).

7 0
2 years ago
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