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4 years ago

A relation is a function if _____.

Mathematics

2 answers:

allsm [11]4 years ago

8 0

The answer is d. there is exactly one input for each output

erastova [34]4 years ago

7 0

I believe the answer to your question is D. there is exactly one input for each output.

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The coefficients of the like terms in the expression 4x2+2x-3x2 are

lorasvet [3.4K]

Answer:

8+-6X2= 2X2= 4

Step-by-step explanation:

your answer is four like above

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4 years ago

There are 24 boys and 16 girls on a playground. What is the ratio of boys to total number of children on the playground ?

ella [17]

Answer: A

Step-by-step explanation:

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7 0

3 years ago

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What is the value of the expression 6n + 45 when n = 7?

Rina8888 [55]

Answer:

value of the equation will be 87

Step-by-step explanation:

by putting value of n as 7 in given equation

we will get,

(6×7) + 45 = 42 + 45 = 87

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3 years ago

What is the side length of a cube with volume 4913 cm3?

Elan Coil [88]

A=17 cm

you would need to find the volume of the shape! (:

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3 years ago

Find two rational expressions a / b and c / d that produce the result x − 1 / x2 when using the following operations. Answers

Mars2501 [29]

Answer:

a) Let $\frac{a}{b}=\frac{-1}{x^2}, \text{ and } \frac{c}{d}=\frac{1}{x}$ .

Observe that

$\frac{a}{b}+\frac{c}{d}=\frac{-1}{x^2}+\frac{1}{x}=\frac{-x+x^2}{x^3}=\frac{x(x-1)}{xx^2}=\frac{x-1}{x^2}$

Let $\frac{a}{b}=\frac{1}{x}, \text{ and } \frac{c}{d}=\frac{1}{x^2}.$

Observe that

$\frac{a}{b}-\frac{c}{d}=\frac{1}{x}-\frac{1}{x^2}=\frac{x^2-x}{x^3}=\frac{x(x-1)}{xx^2}=\frac{x-1}{x^2}$

Let $\frac{a}{b}=\frac{x-1}{x}, \text{ and } \frac{c}{d}=\frac{1}{x}.$

Observe that

$\frac{a}{b}*\frac{c}{d}=\frac{x-1}{x}*\frac{1}{x}=\frac{(x-1)1}{x*x}=\frac{x-1}{x^2}$

Let $\frac{a}{b}=\frac{x-1}{x}, \text{ and } \frac{c}{d}=\frac{x}{1}.$

Observe that

$\frac{a}{b}\div\frac{c}{d}=\frac{x-1}{x}\div\frac{x}{1}=\frac{x-1}{x}*\frac{1}{x}=\frac{x-1}{x^2}$

3 0

3 years ago