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vekshin1
3 years ago
15

The table below shows the square roots of different numbers: Number (x) 4 4 9 9 Square root (y) 2 −2 3 −3 Part A: Does the table

represent y as a function of x? Justify your answer. (5 points) Part B: The total cost f(x), in dollars, for renting a car for a week and driving it x miles is shown below: f(x) = 90 + 0.11x What is the value of f(300), and what does f(300) represent?
Mathematics
1 answer:
Likurg_2 [28]3 years ago
7 0
Part B. f(x) = 90 + 0.11x
f(300) = 90 + 0.11(300) = 90 + 33 = $123
f(300) represents the total cost, in dollars, for renting a car for a week and driving it for 300 miles.
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4 years ago
Michael has two jobs. He earns $9.25 per hour at a pet store and earns $8.90 per hour at a telemarking job. If p represents the
12345 [234]

Answer:

9.25 p + 8.90 t ≥ 100 describes the relationship between p and the t  for Michael to earn at least $100.

Step-by-step explanation:

p  =  Number of hours worked at the pet store

Earning per hour at pet store  =  $9.25

t = Number of hours worked as a telemarketer

Earning per hour at telemarketing job   =  $8.90

Now, total amount earned at pet store after working p hours = p x $9.25

and total amount earned at tele job after working t hours =  t x $8.90

Now, according to the question

Total money earned at pet store +  Total earning at telemarketing job = At least $100

⇒   9.25 p + 8.90 t ≥ 100

Hence,  9.25 p + 8.90 t ≥ 100 describes the relationship between p and the t .

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4 years ago
Witch of the following equations could be used to solve the problem? x2+2=36 2x+2=36 2x=36 2x+1=36
Tomtit [17]

Answer:

There is no problem stated, but here is the x's for every equations provided:

Step-by-step explanation:

a.) x²+2=36

x²=34

x=√34

b.) 2x + 2 =36

2x= 34

x= 17

c.)2x=36

x= 18

d.) 2x+1=36

2x=35

x=35/2

6 0
3 years ago
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