Will give the brainlest

plz show work

Step-by-step explanation:

So we have a rectangle and a triangle.

The height you can find for the triangle is 12ft

And for the rectangle it is 6ft

Formula for area on triangle is 1/2(b*h)

Or for the given picture

A = .5(15 * 12)

= 90ft^2 ( The area of the triangle)

Next for the rectangle

C = length * width

= (3 * 6)

= 18ft^2 (area of rectangle)

Boom that is it no Pi needed

1 number

if we use a graphing calculator, there is only one such number that satisfies the conclusion of the mean value theorem, that is, a number such that

where the right-hand side is the average rate of change of f on the interval [0.5,0.75], which is the slope of the secant line.

in the attached graph, the black line is the secant line which has its slope as the average rate of change of f on [0.5,0.75], while the orange line is the only tangent line to the graph of f in the interval that satisfies the mvt conclusion.