The math score for ten of Mrs. Moore's students are shown below. How many students made a score of more than 69 but less than 90? ​

8

Step-by-step explanation:

first, 70-79 have 3 students

then 80-89 have 5 students

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

6e14 is the answer.