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3 years ago

Suppose f(x) = x^2– 7. and g(x) = 5 – x^2 ,then g(f(-4)) =

Mathematics

2 answers:

motikmotik3 years ago

8 0

Answer:

- 76

Step-by-step explanation:

To evaluate g(f(- 4)) , evaluate f(- 4) then substitute this value into g(x)

f(- 4) = (- 4)² - 7 = 16 - 7 = 9, then

g(9) = 5 - 9² = 5 - 81 = - 76

iogann1982 [59]3 years ago

7 0

Answer:

-76

Step-by-step explanation:

f(x) = x^2– 7. and g(x) = 5 – x^2 ,then g(f(-4)) =

-76

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Complete the factorization.

lyudmila [28]

If you would like to complete the factorization, you can do this using the following steps:

<span>4p^2 + 36p + 81 = (2p + 9) * (2p + 9) = (2p + 9)^2
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3 years ago

A farmer sells 9.9 kilograms of pears and apples at the farmer's market. of this weight is

ivanzaharov [21]

The given question is incomplete. The complete question is:

A farmer sells 9.9 kg of pears and apples at the farmers market. 3/4 of this weight is pears,and the rest is apples.how many kilograms of apples did she sell at the farmers market.

Answer: The farmer sells 2.475 kg of apples.

Step-by-step explanation:

Given : Total weight of pears and apples = 9.9 Kg

$\frac{3}{4}$ of the total weight is pears

Hence, weight of pears = $\frac{3}{4}\times 9.9=7.425 Kg$

Therefore weight of apples = Total weight - weight of pears = (9.9 -7.425) = 2.475 Kg

5 0

3 years ago