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2 years ago

6

What is the domain of f(x) = 2|x - 3| + 1 ?

1 answer:

defon2 years ago

7 0

Domain: all reals, (-∝, ∝)

All inputs for x result in a solution.

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ANWER PLEASE FIRST TO ANSWER GETS BRAINLEST ANSWER

mamaluj [8]

I believe the answer is C 1,300

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3 years ago

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The price of a sandwich is $2.50 more than the price of a smoothie, which is d dollars. What does the expression d +25 represent

kow [346]

Answer: D represents the price of a sandwich and a smoothie

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3 years ago

What is the surface area of the prism?

Harman [31]

Area of lower rect + area of upper + 4 * sides rect areas

lower = upper rect

2 * rect1 + 4 * rect2

Area = 2 * 6 * 11 + 2 * 11 * 9 + 2 * 9 * 6 = 438 ft^2

or simply just take 2 ( and multiply each two sides.

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3 years ago

Jill has been watching the squirrels that live in her neighborhood. The number of squirrels changes each week. n f(n). 1 8. 2 12

qaws [65]

Answer: D) $f(n)=8(1.5)^{n-1}$

Step-by-step explanation:

From the given table we can see that this is not representing a linear function as the rate of change is not constant.

So it can be exponential growth function $A(b)^{n-1}$ , where A is the initial amount , b is the multiplicative rate of growth and n is the time period in weeks.

Now here at n=1 , f(n)=8

Therefore, A=8

Now, for n=2

$f(2)=8(b)^{2-1}\\\Rightarrow12=8b\\\Rightarrow\ b=\frac{12}{8}\\\Rightarrow\ b=1.5$

By substitute the values of A and b in the above equation, we get the equation $f(n)=8(1.5)^{n-1}$

Therefore, the function best shows the relationship between n and f(n) is

$f(n)=8(1.5)^{n-1}$ , where n is the number of weeks.

7 0

3 years ago

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If f(x) = -3x - 5 and g(x) = 4x - 2, find (f+ g)(x).

Hunter-Best [27]

Answer: x-7

Step-by-step explanation:

$f(x)+g(x)=-3x-5+4x-2=\boxed{x-7}$

8 0

2 years ago