Find the vertex of the parabola.f(x) = -2x2 + 7x + 3
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the expression.
A. 
B. 1
C. 5
D. 5!
Mathematics
Find the distance d(P1, P2) between the points P1 and P2.
A. 3
B. 1
C. 
D. 
Mathematics
Solve the problem using a system of equations.Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $135.00 for 3 days and 300 miles, while Mary was charged $247.00 for 5 days and 600 miles. What does Best Rentals charge per day and per mile?
A. $24 per day; 23¢ per mile B. $22 per day; 23 ¢ per mile C. $23 per day; 22¢ per mile D. $22 per day; 23¢ per mile
Mathematics
Evaluate the function.Find f(7) when f(x) = 9x - 9
A. 72 B. 54 C. 0 D. 55
Mathematics