3 years ago

If fb) = 2x – 1. find f(2)

Mathematics

1 answer:

qaws [65]3 years ago

8 0

Plug in 2 for x
2(2) - 1 = 4 - 1 = 3
f(2) = 3

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The perimeter of a trapezoid is 39a – 7. Three sides have the following lengths: 9a, 5a + 1, and 17a – 6. What is the length of

Airida [17]

We know the perimeter is the total sum of all sides of the shape, we can use this to form an equation: the perimeter=1st side + 2nd side + 3rd side + 4th side 39a-7=9a+(5a+1)+(17a-6)+4th side.
Collect like terms to get 39a-7=31a-5+4th side
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2 years ago

Read 2 more answers

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ki77a [65]

Answer:

(2,4)

Step-by-step explanation:

When graphed the lines intersect at point (2,4) which is the solution.