H(x)= x^2 - 1h(x)=x 2

−1h, left parenthesis, x, right parenthesis, equals, x, squared, minus, 1

Over which interval does hhh have a negative average rate of change?

Find the value of the cosine for angle a

Which pair of expressions is equivalent? a 7(1–k)and7–k b 7(1–k)and1–7k c 7(1–k)and7–k d 7(1–k)and7–7k

Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1