The graph of a function h is shown below. Use the graph of the function to find its average rate of change from x=-2 to x=4.

Simplify your answer as much as possible.

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

For what values of x is x2 + 2x = 24 true?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).