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3 years ago

8

To finance her education, Sarah takes out a loan for $4000. After a year Sarah decides to pay off the interest which is 4% of $4

000. How much will she pay?

1 answer:

mel-nik [20]3 years ago

7 0

Hope this makes more sense it’s all in the photo! ❤️

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Composition of functions Find g (f(x)) for the following problems

beks73 [17]

1.

$f(x)=-3x\qquad g(x)=5x-6\\\\g(f(x))=5(-3x)-6=\boxed{-15x-6}$

2.

$f(x)=x-6\qquad g(x)=x^2+6x-2\\\\g(f(x))=(x-6)^2+6(x-6)-2=x^2-12x+36+6x-36-2=\\\\=\boxed{x^2-6x-2}$

3.

$f(x)=4x+3\qquad g(x)=2x^2-x+1\\\\g(f(x))=2(4x+3)^2-(4x+3)+1=2(16x^2+24x+9)-4x-3+1=\\\\=32x^2+48x+18-4x-3+1=\boxed{32x^2+44x+16}$

4.

$f(x)=2x^2\qquad g(x)=8x^2+3x\\\\g(f(x))=8(2x^2)^2+3(2x^2)=8\cdot4x^4+6x^2=\boxed{32x^4+6x^2}$

7 0

3 years ago

What is the domain for the piece of the function represented by f(x) = x + 1?

love history [14]

Answer:

All real numbers

Step-by-step explanation:

The domain of the function represented by f(x) = x + 1 is the all real numbers as there is only addition involved in the function so putting any number as input will not lead the function to infinity.

6 0

3 years ago

Shaniqua has 12 apples to divide into eating and using in an apple pie. If she puts at least 3 apples in each group, how many di

ANEK [815]

Answer:

4..?

Step-by-step explanation:

4 0

3 years ago

39/28 express as a mixed number

xeze [42]

We can do this easily. Since we know that the numerator is more than the denominator, we need to know by how much.

39-28=11; It's only 11 more, which means 11/28 would be the fraction and the whole number is 1.

39/28= 1 11/28

5 0

3 years ago

2. 6e-4k - 10 - 4 = 63

snow_lady [41]

Answer:

k=-\frac{-6e+77}{4}

Step-by-step explanation:

5 0

3 years ago