Solve the system graphically. Give x- and y-coordinates correct to the nearest hundredth.y = log (x + 8)y = x2
A. {(-1.38, -1.89), (1.50, -2.25)}
B. {(-1.38, 1.89), (1.50, 2.25)}
C. {(-0.92, 0.85), (0.98, 0.95)}
D. {(-0.92, -0.85), (0.98, -0.95)}
Answer: C
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Solve.A pile of sand is cone-shaped. If the radius of the base is 8 feet and the altitude is 9 feet 6 inches, how many cubic feet of sand is in the pile? Round to the nearest tenth.
Fill in the blank(s) with the appropriate word(s).
Write the equation of the axis of symmetry.y = 2x2 - 8x + 18
A. x = 10 B. x = 2 C. x = -10 D. x = 0
Provide an appropriate response.In a raffle 1000 tickets are being sold at $1.00 each. The first prize is $100, and there are 3 second prizes fo $50 each. By how much does the price of a ticket exceed its expected value?
A. $1.00 B. $0.75 C. $1.75 D. $50
Determine where the function is increasing and where it is decreasing.f(x) = -x2 - 4x + 5
A. increasing on (-2, ?) decreasing on (-?, -2) B. increasing on (-?, 9) decreasing on (9, ?) C. increasing on (-?, -2) decreasing on (-2, ?) D. increasing on (9, ?) decreasing on (-?, 9)