A ball is thrown straight up at an initial velocity of 54 feet per second. The height of the ball t seconds after it is thrown is given by the formula h(t)=54t-12t^2. How many seconds after the ball is thrown will it return to the ground?

Josephine has a great garden with and area of 2x2 + x - 6 square feet

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.