A gym membership costs $25 to join and $15 each month. write and use an algebraic expression to find the cost of the gym members
1 answer:
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Given :
let's solve for f(x) × g(x) :
therefore, correct choice is : D
Answer:
B
Step-by-step explanation:
The exponential function has the form where a is the starting value or y-intercept. B is the rate of change and x is the variable typically time. In this situation,
has starting value 4, rate 3 and a -x.
Normally an exponential curve glides left to right growing steeper as it goes. But a -x flips this behavior. The curve starts very steep then gradually slows down. This means only graphs B or D are options. Since only graph B of these two has a y-intercept at 4, graph B is the solution.