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sweet-ann [11.9K]
3 years ago
10

If f(x) =4 x-20 , what is f(4)

Mathematics
1 answer:
jolli1 [7]3 years ago
5 0
Answer: -4

Explanation:
f(4) = 4(4) - 20
f(4) = 16 - 20
f(4) = -4
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alukav5142 [94]
Where the pictures of the graph
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4 years ago
Which statement describes the function y = axn when a = 1 and n is odd?
kiruha [24]

Answer:

The graph is symmetric about the origin.

The graph does not pass through the origin.

Step-by-step explanation:

We're given:

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  • a = 1
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Because a = 1, then the given function can be rewritten as y = n.

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The function y = n will produce a horizontal line. Any function in the form of y = a single number, such as 4 or 9.3 will produce a horizontal line.

  • The graph is symmetric about the origin.

This is true, given the graph is a horizontal line.

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This is also true. We're given that n is an odd number. The graph will only pass through the origin if n = 0, and 0 is even.

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This would only be true when n = 0, and this isn't possible. So, no.

4 0
2 years ago
Read 2 more answers
82. Subtract 12x? + 6y - 3 and 3x? - 9y + 12
balu736 [363]

Answer:

-x^2+15y-15

Answer if it is a ^2

Step-by-step explanation:

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2x^2+6y-3-3x^2+9y-12=

-x^2+15y-15

is it a ^2 or a question mark

3 0
3 years ago
write the slope-intercept form of the line with a slope of 2 and a y-intercept of -4. include your work in your final answer.
IgorLugansk [536]
I cant really show you how to graph this but i can try to explain it. you would make a 4 quadrant graph and do rise over run.
1)start by making the graph
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5 0
3 years ago
Suppose that 21 inches of wire costs 63 cents.
defon

Answer:

162 cents

Step-by-step explanation:

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6 0
2 years ago
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