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vodomira [7]
3 years ago
10

e) Isabel’s competition,who sells books and no other products, charges a shipping fee of $1.99 per book plus a fixed fee of $3 f

or each order. Let x be the number of books purchased and f(x) be the price of shipping one order of books. Write a function that expresses f(x) and explain the value of f(x) for x = 0. graph the function in part e​
Mathematics
1 answer:
inessss [21]3 years ago
7 0

Answer:

It will equal 0

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Please help!!!!!!!!!!
Delicious77 [7]

f(x)=2x^2-4x+1

Substitute the values of x to the equation of the function f:

x=-1\to f(-1)=2(-1)^2-4(-1)+1=2(1)+4+1=7\\\\x=2\to f(2)=2(2^2)-4(2)+1=2(4)-8+1=1

Therefore we have two points (-1, 7) and (2, 1).

We can calculate the slope of line l.

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

Substitute:

m=\dfrac{1-7}{2-(-1)}=\dfrac{-6}{3}=-2

<h3>Answer: A) -2.</h3>
5 0
3 years ago
Can someone please help me with this geometry question
goldenfox [79]

Answer:

A. q = 39

Step-by-step explanation:

Since the lines are parallel, their sides will be proportional,

So,

Taking their proportion

=> \frac{60}{40} = \frac{q}{26}

Cross Multiplying

q × 40 = 26 × 60

q = \frac{1560}{40}

q = 39

7 0
3 years ago
Please help me me with this please actually help me please and thank you
Vsevolod [243]

Answer:

A. (-1, 3)

Step-by-step explanation:

To solve, find which point in the options are in the double shaded region (the region that is shaded the darkest which is the region above the point where the lines cross).

A. (-1, 3) is the correct answer because it falls in the correct region.

B. (-4, 1) is not the correct answer because it does not fall ABOVE both lines like the question says.

C. (0, 1) is not the correct answer because it falls in the 2nd darkest region.

6 0
2 years ago
Cindy has decided to lease a car. The lease includes a money factor of 0.0035. What
Stolb23 [73]

Answer: 1.3 is her interest rate hopefully I'm correct on this

4 0
3 years ago
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Otto used 6 cups of whole wheat flour and x cups of white flour in the recipe. What is the equation that can be used to find the
Rus_ich [418]
<span>Consider the equation 3p - 7 + p = 13. What is the resulting equation after the first step in the solution?</span>
8 0
4 years ago
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