Simplify by using the properties of complex numbers.i41
A. 1
B. -1
C. i
D. -i
Answer: C
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Tell whether the conditional statement is true or false.Here F represents a false statement.F ? (5 = 8)
A. True B. False
Solve the problem.The distance D in feet that an object has fallen after t seconds is given by D(t) = 16t2. (i) Evaluate D(2) and D(5). (ii) Calculate the slope of the secant line through D(2) and D(5) on the graph of D and interpret the answer in terms of an average rate of change of D from 2 to 5.
A. (i) 32, 80 (ii) 112; the object's average speed from 2 to 5 seconds is 112 ft/sec. B. (i) 64, 400 (ii) 48; the object's average speed from 2 to 5 seconds is 48 ft/sec. C. (i) 32, 80 (ii) 48; the object's average speed from 2 to 5 seconds is 48 ft/sec. D. (i) 64, 400 (ii) 112; the object's average speed from 2 to 5 seconds is 112 ft/sec.
Classify the triangle as scalene, isosceles, or equilateral.
A. equilateral B. isosceles C. scalene
Use the graph to find the vertex, the axis of symmetry, and the maximum or minimum value of the function.
A. (-3, 2); x = -3; maximum: 2 B. (2, -3); x = 2; maximum: -3 C. (-2, 3); x = 2; maximum: -3 D. (-3, -2); x = -3; maximum: 2