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ivann1987 [24]
3 years ago
7

Plz help me I am timed : (

Mathematics
2 answers:
enot [183]3 years ago
8 0
I think that it is 60
-BARSIC- [3]3 years ago
5 0
The answer to this question is 260
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? Sorry dude I don’t think you added an attachment
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Which exponential function goes through the points (1, 16) and (4, 128)?
djyliett [7]

Answer:

Here is the complete question (attachment).

The function which represent the given points are f(x)=8(2)^{x}

Step-by-step explanation:

We know that a general exponential function is like,y=a(b)^{x}

We can find the answer by hit and trial method by plugging the values of (x,y) coordinates.

Here we are going to solve this with the above general formula.

So as the points are (1,16) then for x=1,\ y=16

Can be arranged in terms of the general equation.

ab^1=16...equation(1) and ab^4=128...equation(2)

a\times b=16, then\ a=\frac{16}{a}

Plugging the values in equation 2.

We have

\frac{16}{b} b^4=128,16\times b^3=128,b=\sqrt[3]{\frac{128}{16}} =\sqrt[3]{8}=2

Plugging b=2 in equation 1.

We have a=\frac{16}{b} =\frac{16}{2} =8

Comparing with the general equation of exponential a=8 and b=2

So the function which depicts the above points =y=8(2)^x

From theoption we have B as the correct answer.

7 0
4 years ago
Please help<br> find BC in this
ryzh [129]
<span>Which angle do you want?</span>
4 0
4 years ago
The number of subscriptions
kvv77 [185]

Answer:8087

Step-by-step explanation:’nsnss

3 0
3 years ago
Please help!! What is x?
vivado [14]

Answer:

12

Step-by-step explanation:

1) to calculate the length of RT (in ΔRST):

SR/sin60°=12√3 / (√3/2)=12.

2) in ΔQRT RT=RQ=x (the m∠T=m∠Q !), then x=12.

7 0
3 years ago
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