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2 years ago

Find the range for the given domain: {-3,-1 and 3} and the function is y=3x^2-2x+1.

Mathematics

1 answer:

Artist 52 [7]2 years ago

7 0

Answer:

Step-by-step explanation:

The domain are the x values. When you plug those values into the equation, you get 34, 6, 22.

3(-3²) - 2(-3) + 1 Negative * Negative = Positive

3(9) + 6 + 1

3(-1²) - 2(-1) + 1

3 + 2 +1

3(3²) -2(3) + 1

3(9) - 6 + 1

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Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 20)(0,20) and (2, 720)(2,720).

Nataliya [291]

Answer:

The exponential function that goes through $(x_{1},y_{1}) = (0,20)$ and $(x_{2}, y_{2}) = (2,720)$ is $y = 20\cdot 6^{x}$ .

Step-by-step explanation:

Let be an exponential function of the form $y = a\cdot b^{x}$ that goes through $(x_{1},y_{1}) = (0,20)$ and $(x_{2}, y_{2}) = (2,720)$ . Then, we have the following system of equations:

$20 = a\cdot b^{0}$ (1)

$720 = a\cdot b^{2}$ (2)

By dividing (2) by (1), we obtain the value for $b$ :

$\frac{720}{20} = b^{2}$

$b = \sqrt{\frac{720}{20} }$

$b = 6$

And the value for $a$ is found by (1):

$a = 20$

The exponential function that goes through $(x_{1},y_{1}) = (0,20)$ and $(x_{2}, y_{2}) = (2,720)$ is $y = 20\cdot 6^{x}$ .

3 0

3 years ago

Please help me asap

Vanyuwa [196]

Answer:

C. 295.8 in^2

Step-by-step explanation:

I've drawn an explanation if you need it! Cheers!

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3 years ago

Evalulate (625/81)^-0.5. step by step

GREYUIT [131]

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3 years ago

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4 years ago

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Degger [83]

Answer:

So do you already have the answer? Also 1/20 looks right.

Step-by-step explanation:

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4 years ago

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