Agroup of friends had 78 dollars to buy tickets to a game. after buying the tickets they had 15 dollars left. there are nine friends in a group. how much was each ticket?

Step-by-step explanation:

Let the price of ticket be $x

9x + 15 = 78

9x = 78 - 15

9x = 63

x = 63/9

x = 7

Each ticket cost $7

d

step-by-step explanation:

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