2 years ago

I think I got this wrong I need help

Mathematics

1 answer:

JulijaS [17]2 years ago

8 0

Answer:

I think 3/4 will be the answer if you let

(-5 2) =(x1 y1)

(3 8) =( x2 y2)

y1-y2/x2-x2

8-2/3+5

6/8

3/4

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If the range of the function f(x) = 7x – 2.7 is {14.1, 30.9, 41.4, 58.9, 68}, what is its domain?

Drupady [299]

domain is {2.4, 4.8, 6.3, 8.8, 10.1 }

For domain, equate f(x) to each value in the range and solve for x

7x - 2.7 = 14.1 ⇒ x = $\frac{x14.1 + 2.7}{7}$ = 2.4

7x - 2.7 = 30.9 ⇒ x = $\frac{30.9 + 2.7}{7}$ = 4.8

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alex41 [277]

Answer:

a=4 and b=-1

Step-by-step explanation:

2(4)+3(-1)= 5

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The function {(1, 4), (2, 5), (3, 6)} has the function rule y = 3x + 1.

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False.
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