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3 years ago

Please answer the question ASAP!!!!

Mathematics

1 answer:

just olya [345]3 years ago

3 0

Draw straight lines down your graph and if the line passes two lines on the graph then it’s not a function but if the line you draw a line and it only hits one line on the graph and doesn’t cross another then it’s a function. A and b are not functions because they fail the vertical line test c however passes the vertical line test meaning it’s a function

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Which pair of numbers is relatively prime?

Vladimir [108]

I think it is 21 and 50. The only common factor they have is 1.

All the others are divisible by 1 & 3.

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4 years ago

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There are 5 blue and 20 white marbles in a box of 50 marbles. Select all the combination of marbles that add up to exactly 50% o

azamat

If you add the white and blue together then you have 25 and 25 is 50% of 50

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3 years ago

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rodikova [14]

Answer:

D = 45 and C = 26

Step-by-step explanation:

The bigger triangle has a 90 degree corner add that to 64 and you will get 164 (all of the triangles angles have to add to 180) from 180 subtract 164 and you get 26 which is C's answer

For D just divide 90 by 2 (90/2)=45

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3 years ago

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3 years ago

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Which statements accurately describe the function f(x) = 3(16)^3/4? Check all that apply.

uysha [10]

Answers:

These are the statements that apply:

The initial value is 3.

The range is y >0.

The simplified base is 8.

Explanation:

1) Given expression:

$f(x)=3(16)^{\frac{3}{4} x$

2) Check every statement:

a) The initial value is 3?

initial value ⇒ x = 0 ⇒

$f(0)=3(16)^{0}=3(1)=3$

∴ The statement is right.

b) The initial value is 48?

Not, as it was already proved that it is 3.

c) The domain is x > 0?

No, because the domain of the exponential functions is all the Real numbers.

d) The range is y > 0?

That is correct, the exponential function is continuous, and monotonon increasing.

The limit when x → - ∞ is zero, but y never reaches zero, and the limit when x → ∞ is + ∞, meaning that the range is y > 0.

e) The simplified base is 12?

This is how you simplify the base:

$3(16)^{\frac{3}{4} x}=3{{(16}^{(3/4)})}^x=3(16^{3/4}})^{x}=3((2^4)^{3/4})^x=3(2^3)^x=3(8)^x$

Which shows that the simplified base is 8 (not 12).

f) The simplified base is 8?

Yes; this was just proved.

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3 years ago

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