Multiply.-10x7(5x4 + 10)
A. -50x11 + 10
B. -50x4 - 100
C. -150x7
D. -50x11 - 100x7
Answer: D
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Find all points where the function is discontinuous.
A. x = 1, x = 5 B. x = 4 C. None D. x = 1, x = 4, x = 5
Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. 2x2 + 11 = 0
A. a = 2, b = 0, c = -11 B. a = 0, b = 2, c = 11 C. a = 2, b = 0, c = 11 D. a = 2, b = 11, c = 0
Solve the problem. Round dollar amounts to the nearest cent. Use 360 days.Polson Associates bought a new computer system. To pay for the system, they borrowed 
from the bank at 
interest for 130 days. Find the simple interest.
A. $1315.31 B. $3670.63 C. $1307.35 D. $1325.50
Find the coordinates of (a) the vertex and (b) the x-intercepts of the given quadratic function to the nearest hundredth.P(x) = 
x2 + 2.09x - 1.42
A. (a) (-0.38, -2.19) (b) (1.42, 0), (-1.42, 0) B. (a) (-0.44, -1.88) (b) (-1.33, 0), (0.45, 0) C. (a) (-0.44, 1.42) (b) (1.05, 0), (0.71, 0) D. (a) (-1.88, 1.42) (b) There are no x-intercepts.