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2 years ago

15

PLZ HELP BRAINLIEST!!

1 answer:

kogti [31]2 years ago

7 0

Answer:The accompanying table shows the number of trials and the ... Write the exponential regression equation for this set of data, rounding all values to no decimal places. Using this equation, find the value of her stock, to the nearest dollar, 10 years ... culture over a 5-hour period, where x is the time, in hours, and y is the number.

mark me brinlest plzz

Step-by-step explanation:

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The Carey family took a trip in November. Mary is calculating the gas mileage in miles per gallon for her dad's truck. When he f

yanalaym [24]

Answer:

The size of the tank is 16 gallons

Step-by-step explanation:

Here, we want to calculate the size of the gas tank of the truck

we simply divide the total amount spent by the price per gallon

Mathematically, that will be;

53.28/3.33 = 16 gallons

6 0

3 years ago

Let f(x)=8secx. Then f′′(π/9)

Ahat [919]

f(x)=secx.

f'(x)=sec x tan x.

Use the product rule to find f ' '(x).

F ' '(x)=(secxtanx)tanx+secx(sec2x).

So, f ' '(x)=secxtan2x+sec3x.

Evaluate:f ' '(π4)=sec(π4)tan2(π4)+sec3(π4)=(√2)(1)2+(√2)3=√2+2√2=3√2.

7 0

2 years ago

Nana bought 12 books for $28.50. What was the unit price?

Oksi-84 [34.3K]

Answer: 2.375 per book

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

F(x)=-x^2-4 for x= -3

san4es73 [151]

Answer:

5

Step-by-step explanation:

<u>Given:</u>

f(x)=-x²-4

<u>Substitute x= -3:</u>

f(-3) = (-3)² - 4 = 9 - 4 = 5

6 0

2 years ago

PLEASE HELP ASAP!!!

ivann1987 [24]

ANSWER

$( \frac{g}{f} )(x) = \frac{1}{ 2x+3}$

The domain is:

$x \ne1 \: or \: x \ne - \frac{3}{2}$

EXPLANATION

The given functions are:

$f(x) = 2 {x}^{2} + x - 3$

and

$g(x) = x - 1$

$( \frac{g}{f} )(x) = \frac{g(x)}{f(x)}$

$( \frac{g}{f} )(x) = \frac{x - 1}{2 {x}^{2} + x - 3 }$

Factor the quadratic trinomial in the denominator.

$( \frac{g}{f} )(x) = \frac{x - 1}{2 {x}^{2} +3 x - 2x- 3 }$

$( \frac{g}{f} )(x) = \frac{x - 1}{ x(2x+3) -1 (2x + 3 )}$

$( \frac{g}{f} )(x) = \frac{x - 1}{ (2x+3) (x-1)}$

Cancel the common factors,

$( \frac{g}{f} )(x) = \frac{1}{ 2x+3} \: where \: x \ne1 \: or \: x \ne- \frac{3}{2}$

3 0

3 years ago