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Stella [2.4K]
2 years ago
15

2 x + 3 greater-than negative 9?

Mathematics
1 answer:
kifflom [539]2 years ago
6 0

Answer:

x > -6.

Step-by-step explanation:

2x + 3 > -9

2x > -9 - 3

x > -12/2

x > -6.

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15x (1/3+1/5)<br> I need help with this one also?
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3 0
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Evaluate the expression when x=2, y=5, and z=3 (y+z2 ) •x
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(y + z2) * x
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3 years ago
Given the function graphed below, what is the average rate of change between f(3) and f(7)?
Shkiper50 [21]
Answer: choice D) 20

-------------------------------

Explanation:

Locate 3 on the x axis number line. Draw a vertical line through 3 and this vertical line will cross the parabola at some point P. Mark this point P on the parabola. Then draw a horizontal line from P to the y axis. The horizontal line will land on y = 10. In short, this all shows us that (3,10) is a point on this parabola.

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To find the slope, we use the slope formula
m = (y2 - y1)/(x2 - x1)
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further breaking down to
x1=3
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