3 years ago

Can someone help me!?

Mathematics

1 answer:

Sever21 [200]3 years ago

4 0

Answer:

Step-by-step explanation:

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John and Sarah are each saving money for a car. The total amount of money John will save is given by the function f(x)= 60 + 5x.

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Hi,
they both amount would be same when

f(x)=g(x)

60+5x=x^2+46
x^2+46-5x=60
x^2-5x-14=0
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(x+2)(x-7)=0

if x= weeks than x should be positive so x=7

In 7 weeks both will save same amount.

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