BIG IDEAS MATH
1 answer:
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Answer:
D) As the gas mileage increases, the cost of driving a fixed distance increases.
Step-by-step explanation:
Hello!
Given the variables
X₁: Gas mileage of a car
X₂: Cost of driving 500 miles
Normally the variable that changes more is the gas mileage of the car, depending on the type of the car or the age of different cars from the same model and brand, the amount of gas used to cover a fixed distance varies.
From a logical point of view you'd expect that the more gas the car consumes, the more it will cost to drive a fixed distance. So the correct option is D)
Options:
A) As the gas mileage increases, the cost of driving a fixed distance decreases.
B) As the cost of driving a fixed distance increases, the gas mileage decreases.
C) As the cost of driving a fixed distance decreases, the gas mileage increases.
D) As the gas mileage increases, the cost of driving a fixed distance increases.
I hope this helps!
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Answer:
(x, y) = (1, 8)
Step-by-step explanation:
A graphing calculator quickly tells you the point of intersection.
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You can equate the y-values and solve for x.
3x +5 = -2x +10
5x = 5 . . . . . . . . . add 2x-5
x = 1 . . . . . . . divide by 5
3·1 +5 = y = 8 . . . . substitute for x in the first equation
The point of intersection is (x, y) = (1, 8).
