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JulijaS [17]
3 years ago
12

Find f(x) = 4*, when x = 1/2

Mathematics
1 answer:
faust18 [17]3 years ago
5 0

Answer:

f=8

Step-by-step explanation:

fx0.5=4

f=4x2

f=8

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D. Yes, since the slopes are the same and the y-intercepts are different.

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yes because both line have a slope of .857/2

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8 0
2 years ago
An angle measures 6° less than the measure of a complementary angle. what is the measure of each angle?
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3 0
4 years ago
Let g(x) = 2x and h(x)= x^2 -4. find (g o h)(0)
finlep [7]
The answer is -8

====================================================

Explanation:

There are two ways to get this answer

Method 1 will have us plug x = 0 into h(x) to get
h(x) = x^2 - 4
h(0) = 0^2 - 4
h(0) = 0 - 4
h(0) = -4
Then this output is plugged into g(x) to get
g(x) = 2x
g(-4) = 2*(-4)
g(-4) = -8 which is the answer
This works because (g o h)(0) is the same as g(h(0)). Note how h(0) is replaced with -4
So effectively g(h(0)) = -8 which is the same as (g o h)(0) = -8

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

The second method involves a bit algebra first
Start with the outer function g(x). Then replace every x with h(x). On the right side, we will replace h(x) with x^2-4 because h(x) = x^2-4

g(x) = 2x
g(x) = 2( x )
g(h(x)) = 2( h(x) ) ... replace every x with h(x)
g(h(x)) = 2( x^2-4 ) ... replace h(x) on the right side with x^2-4
g(h(x)) = 2x^2-8
(g o h)(x) = 2x^2-8

Now plug in x = 0
(g o h)(x) = 2x^2-8
(g o h)(0) = 2(0)^2-8
(g o h)(0) = 2(0)-8
(g o h)(0) = 0-8
(g o h)(0) = -8

Regardless of which method you use, the answer is -8

5 0
3 years ago
At the end of a meal in a restaurant, a person wants to have pie a la mode (pie topped with ice cream) for dessert. there are 5
JulsSmile [24]
1/5x1/2=1/10

1/5 because there are 5 flavors.
1/2 because there are 2 kinds of pies.
So the answer is 1/10.

Hope this helps.
6 0
3 years ago
Read 2 more answers
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