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3 years ago

What is the x-intercept of the function graphed below?

Mathematics

2 answers:

Sophie [7]3 years ago

8 0

Answer C (-8,0)

because the line crosses the x-intercept (the horizontal line)

Andrew [12]3 years ago

4 0

Answer:

Option C is correct

(-8, 0)

Step-by-step explanation:

x-intercept:

The point where function cuts x-axis that is point where y = 0.

Given that:

A graph with equation of line.

we have to find the find the x-intercept of the function graphed.

By definition of x-intercept.

From the given graph,

it can be seen clearly that the given line crosses that x-axis at (-8, 0)

⇒x-intercept = (-8, 0)

Therefore, the x-intercept of the function graphed is, (-8, 0)

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3 years ago

Can somebody help me with this one?

Vlad [161]

S = sale price (in dollars)
p = sticker price (in dollars)
Note: the sticker price is what the customer pays after the discount
Another note: This is ignoring any taxes or other fees

We're told that the sale price is the result of taking 10% off the sticker price. This means...

sale price = (sticker price) - (10% of sticker price)
s = p - 0.10*p
s = 1*p - 0.10*p
s = (1 - 0.10)*p
s = (0.90)*p
s = 0.90*p

So the expression for the sale price is 0.90*p where p is the sticker price in dollars.

Note: this means that the sale price is 90% of the sticker price.

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

Now plug in the sticker price p = 80 to find the sale price s
s = 0.90*p
s = 0.90*80
s = 72

The sale price is $72 which is what the customer will pay (if we ignore any taxes or other fees).

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3 years ago

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coldgirl [10]

Step-by-step explanation:

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