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Lynna [10]
3 years ago
15

Find the output, g, when the input, r, is 3. g = -5r + 13 g = __

Mathematics
2 answers:
faltersainse [42]3 years ago
6 0

Answer:-2

Step-by-step explanation:

g=-5(3)+13

=-15+13

=-2

Hope this helps

Luda [366]3 years ago
3 0

Answer:

g = -2

Step-by-step explanation:

g = -5r + 13        Substitute 3 for r into the equation

g = -5(3) + 13     Multiply in the parentheses

g = -15 + 13        Add

g = -2

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A line containing the points (9, 1) and (5, 5) intersects the x -axis at what point?
Troyanec [42]

Answer:

It intersects the x-axis at x = 10

Step-by-step explanation:

Step 1: Find slope <em>m</em>

m = (5 - 1)/(5 - 9)

m = 4/-4

m = -1

y = -x + b

Step 2: Find <em>b</em>

5 = -5 + b

b = 10

Step 3: Rewrite equation

y = -x + 10

Step 4: Find <em>x</em> when <em>y</em> = 0

0 = -x + 10

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x = 10

So the graph crosses the x-axis at 10.

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3 years ago
Consider this function.
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Answer:

3. Since the range of the original function is limited to y> 6, the domain of the inverse function is x ≥ 6.

Step-by-step explanation:

The domain of a function is the range of its inverse, and vice versa. The only answer choice that expresses this relationship is choice 3.

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Comment on the answer choice:

The slope of the function is undefined at x=4, so restricting the function domain to the portion with positive slope means the domain restriction of the function is x > 4. That also means the range restriction of the function is y > 6. The domain restriction of the inverse function is the same: x > 6, not x ≥ 6. The answer choice has an error.

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Step-by-step explanation:

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