3 years ago

What is a composite function?

1 answer:

4 0

Function Composition is applying one function to the results of another.

(g º f)(x) = g(f(x)),
first apply f(), then apply g()

You must also respect the domain of the first function.

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At the bank of a river, by measurement, a = 9 ft., b = 15 ft., c = 12 ft., and d = 7 ft.How long is x?

Orlov [11]

Answer: x is 20

Step-by-step explanation:

This is ratio

a : c = b : x and d : unknown

a : c = 9 : 12 = 3 : 4 which is 9/12

b : x = 15 : x which is 15 / x

So the proportion will be :

3/4 = 15/x

So Cross multiplying

3x = 90

Divide both side by 3

x = 90/3

x = 20

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3 years ago

The rectangle shown has a perimeter of 86 cm and the given area. Its length is 3 more than four times its width. Write and solve

Naddika [18.5K]

Answer:

55x

Step-by-step explanation:

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3 years ago

Find the general term of the quadratic sequence 3, 6, 11, 18, 27,....,...

AVprozaik [17]

Answer: 39.

Step-by-step explanation:

As 3+3=6, 6+5=11,11+7=18,18+9=27,27+11=39.

3 0

3 years ago

A diagonals of a parallelogram measures 37 inches. The size measures 35 inches and 1 foot. Is the parallelogram a rectangle?

Lostsunrise [7]

No, a parallelogram is not a rectangle. meaning it has a completely different area formula, I know it sucks.

Formula: base × height

I don't use feet and inches. sorry I couldn't provide with to much help.

6 0

3 years ago

Twenty years ago a small town in Texas had a population of 10,000. The population has increased 8% each year

yan [13]

Answer:

Step-by-step explanation:

8% = .08 in decimal form

10 000 ( 1 + .08)^10 =

8 0

2 years ago