Solve the problem.When going more than 38 miles per hour, the gas mileage of a certain car fits the model
where x is the speed of the car in miles per hour and y is the miles per gallon of gasoline. Based on this model, at what speed will the car average 15 miles per gallon? (Round to nearest whole number.)
A. 73 miles per hour
B. 98 miles per hour
C. 48 miles per hour
D. 149 miles per hour
Answer: A
You might also like to view...
Determine whether the following is a statement. If it is, then also classify the statement as true or false.Can you bring the book?
A. Not a statement B. False statement C. True statement
Solve.On a recent trip, Asha drove 256 miles on 10 gallons of gasoline. How many miles per gallon did she average?
A. 2624 miles per gallon
B. 640 miles per gallon
C. miles per gallon
D. 24 miles per gallon
Use the Factor Theorem to determine whether x - c is a factor of the given function for the given value of c. If x - c is a factor, then write f in factored form. That is, write f(x) = (x - c)(quotient).f(x) = x2 - 8x + 15; c = 5
A. Yes; f(x) = (x - 5)(x + 3) B. Yes; f(x) = (x + 5)(x + 3) C. Yes; f(x) = (x - 5)(x - 3) D. No
Solve the equation.4(7 - 3x) =
A. {4}
B.
C. {3}
D. {-3}