3 years ago

Find the domain and range of the following function f(x) = 31x + 71 - 2?

Mathematics

1 answer:

nadya68 [22]3 years ago

7 0

Answer: hey

Step-by-step explanation:

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EZ Car Rental charges $40 per day and $0.25 per mile driven. Ace Car Rental charges

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Answer:

B. 75

Step-by-step explanation:

When both cars travel 75 miles they both add up to $58.75

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3 years ago

Carter can bake 11 cookies with each scoop of flour. With 4 scoops of flour, how many cookies can Carter bake?

VMariaS [17]

Answer:

Step-by-step explanation: 11 coookies per cup of flour. 4 cups of flour. 11 x 4 = 41

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3 years ago

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If (−4, 11) and (−6, 5) are the endpoints of a diameter of a circle, what is the equation of the circle?

lora16 [44]

Answer:

A. $(x+5)^2+(y-8)^2=100$

Step-by-step explanation:

1. The standard form of the equation of a circle is $(x-h)^{2} + (y-k)^2=r^2$

2. To find the center we require the midpoint of the 2 given points

center = $[\frac{1}{2}(-4-6),\frac{1}{2}(11+5)]$

=(-5,8)

3. The radius is the distance from the centre to either of the 2 given points calculate the radius using the distance formula

d= $\sqrt{(x_{2}+x_{1})^{2} +(y_{2}-y_{1})^{2}$

let $(x_{1},y_{1})= (-5,8) \\$ and $(x_2,y_2)=(-4,11)$

r= $\sqrt{(-4+5)^2+(11-8)^2} =\sqrt{81+9}=10$

--> $(x-(-5)^2+(y-8)^2=10^2$

--> $(x+5)^2+(y-8)^2=100$

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3 years ago

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Jade's car can go 27.6 miles per gallon of gas. How many miles can she drive with 7 gallons of gas?

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Answer:

193.2

Step-by-step explanation:

27.6x7 $27.7\\ x 7\\--------\\ 19.39$

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A Restaurant buys 50 pound of beef at 1.12 per pound and 24 quarts of milk at .90 quarts. How much money was spent

velikii [3]

Answer:

$77.60

Hope this helps ^-^

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3 years ago

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