Find the indicated term.a = 4, r = -3 ; 5th term
A. 324
B. 81
C. 2916
D. -972
Answer: A
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Factor out the common binomial factor as the GCF.(m + 5)(2 - n) + (p - 5)(2 - n)
A. (m- p)(2 - n) B. m(2 - n) + p C. (p - m)(2 + n) D. (m + p)(2 - n)
Find the values of x for which the given function is concave up, the values of x for which the function is concave down, and any points of inflection.y = 7x - x3
A. Concave up for x < 0, and x > 1, concave down for 0 < x < 1, points of inflection at (0, 0), (1, 7) B. Concave up for x < 0, concave down for x > 0, point of inflection at (0, 0) C. Concave down for all x, no points of inflection D. Concave down for x < 0, concave up for x > 0, point of inflection at (0, 0)
Solve the problem.A tub of ice cream initially has a temperature of 26°F. It is left to thaw in a room that has a temperature of 70°F. After 10 minutes, the temperature of the ice cream has risen to 35°F. After how many minutes will the temperature of the ice cream be 44°F?
A. 25 min B. 21 min C. 28 min D. 23 min
Solve.Pat is trading her car in for a new car. The new car costs $26,025. Her car is worth $4998. How much more money does she need to buy the new car?
A. $20,927 B. $21,028 C. $21,017 D. $21,027