A building is 2 ft from an 11-ft fence that surrounds the property. A worker
wants to wash a window in the building
16 ft from the ground. He plans to
place a ladder over the fence so it rests
against the building.
He decides he should place the ladder
7 At from the fence for stability. To the
nearest tenth of a foot, how long a
ladder will he need?

19.42 ft

Step-by-step explanation:

c^2 = a^2 + b^2

c^2 = 16^2 + 11^2

c^2 = 256 + 121

c = √377 = 19.416

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.

answer: #1 ads up by 8 and i don't know #2