HURRY

What would be equation for the function in the image all the way below?

Question 2 options:

y=-28x+56

y=56(12)x−1

y=56(2)x−1

y=56x2+16x+7

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Question 3

Which function would be used if I was doubling?

Question 3 options:

Linear

Exponential

Quadratic

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7