When five times a number is decreased by 9, the result is 11. What is the number?

Answer

4

Step-by-step explanation:

Add 9 to 11, then divide that by 5.

4

Step-by-step explanation:

work backwards 11+9 is 20. Divide 20 by 5 = 4

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

answer4 to the second power is 16

and 4 to the third power is 64,