## John and Sophia are saving money to buy a hover board. The total amount of money John will save is given by the function f(x)= x2 + 2x. The

Question

John and Sophia are saving money to buy a hover board. The total amount of money John will save is given by the function f(x)= x2 + 2x. The total amount of money Sophia will save is given by the function g(x) = 10x + 20. After how many weeks, x, will they have the same amount of money saved? Only an algebraic solution will be accepted

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2021-10-03T20:29:04+00:00
2021-10-03T20:29:04+00:00 1 Answer
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## Answers ( )

Answer: 10 weeks

Step by step equation: The equations are f(x)= x^2+2x and g(x)=10x+20. Plug in 10 for x in both equatiom would get you f(x)=10^10(100)+20, and g(x)= 10(10)+20