Answer:
The <em>x</em>-intercept would be at the point where there are 0 downloads in <em>x</em> days.
Step-by-step explanation:
The <em>x</em>-intercept of a function is the point where the graph of the function crosses the <em>x-</em>axis and the <em>y</em>-coordinate is 0.
That is, the point (<em>x</em>, 0) is the <em>x</em>-intercept of a function.
In this case the data provided is for the number of free downloads using the promo code (f (x), in tens of thousands) and the time since posting (<em>x</em> days).
So, in this case the <em>x</em>-intercept would be at the point where there are 0 downloads in <em>x</em> days.
Answer:
Number of Years to Double= 10.62 years
Step-by-step explanation:
<u>First, we need to calculate the real annual interest rate:</u>
Real annual interest rate= {[(i/12)+1]^12} - 1
Real annual interest rate= [{(0.064/12) + 1]^12 - 1}
Real annual interest rate= 0.0659
<u>Now, we need to use the rule of 72. The rule of 72 is a means of estimating the number of years it takes for an investment or your money to double. </u>
<u></u>
Number of Years to Double= 70/Annual Rate of Return
Number of Years to Double= 70/6.59
Number of Years to Double= 10.62 years
<span>If you want to evaluate the x from the inequation x - 35 > 15, you have to add the number 35 on both sides of the inequation.
x - 35 > 15 /+35
x - 35 + 35 > 15 + 35
x + 0 > 50
x > 50
<span>
<span>The answer is x > 50.
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