HELP ASAP PLEASE :) Mrs. Martone's 7th grade science class built and
launched rockets. The graph below shows the height,
in feet, over time, in seconds, of a student's rocket.
Use the graph to answer the questions below. How
long did it take the rocket to reach its maximum
height?

7 second.

Step-by-step explanation:

It is 7 second because you look where it says second on the x axis. and look at the biggest height on the y axis and you see 65 in 7 seconds.

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1