Find the vertex of the parabola and determine if it is a maximum or minimum. f(x) = -2x2 - 8x - 7
A. (-2, 1); maximum
B. (-2, 1); minimum
C. (-2, -1); maximum
D. (-2, -1); minimum
Answer: A
Mathematics
You might also like to view...
Convert to an exponential equation.ln 3a = 1.3
A. e1.3 = 3a B. 1.3e = 3a C. e3 = 1.3a D. ea = 1.33
Mathematics
Find the surface area of the surface S.S is the area cut from the plane z = 6y by the cylinder x2 + y2 = 49.
A. 49
?
B. 7
?
C. 49
D. 14
?
Mathematics
Convert the degree measure to radians, correct to four decimal places. Use 3.1416 for ?.16.84°
A. 0.0939 B. 0.1939 C. 0.2939 D. 0.3939
Mathematics
Solve the problem. Use 3.14 for ?.Find the cost to asphalt a circular racetrack if asphalt costs $30 per 100 ft2. (Round to the nearest dollar.) r = 100 ft R = 145 ft 
A. $19,806 B. $10,386 C. $9420 D. $7630
Mathematics