Select two ratios that are equivalent to 7 : 10.

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

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.