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MrRissso [65]
3 years ago
7

PLZ HURRY IT'S URGENT!!!!!!

Mathematics
2 answers:
Gnom [1K]3 years ago
7 0

Answer:

D. 9

Step-by-step explanation:

We have been given an equation and we are asked to find the solution for our given equation.

t(7-2)=9\cdot 7-9\cdot 2

Upon factoring out 9 from right side of our equation we will get,

t(7-2)=9(7-2)

t(5)=9(5)

5t=9*5

Upon dividing both sides of our equation by 5 we will get,

\frac{5t}{5}=\frac{9*5}{5}

x=9

Therefore, the solution to our given equation is 9 and option D is the correct choice.

Anton [14]3 years ago
5 0

I think the correct answer your looking for is D) 9

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Answer:

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Step-by-step explanation:

The average rate of change can be found by using the following formula

\frac{f(x_{2}) - f(x_{1}) }{x_{2} - x_{1}}

Since the interval goes from -7 to 2, we should find the y-values that correspond to x=-7 and x=2.

By inspection of the graph, we can clearly see that when x is -7, y is -7 as well and when x is 2, y is 5.

Now that we know this, we can simply plug these values into the formula!

\frac{f(2) - f(-7) }{2 - (-7)} = \frac{5 - (-7)}{2 - (-7)} = \frac{5 +7}{2+7} = \frac{12}{9} = \frac{4}{3}

Good luck!

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