Find the domain and range of the function.f(x) = 3x2 - 30x + 82
A. Domain: (-?, ?); Range: [7, ?)
B. Domain: (-?, ?); Range: [0, ?)
C. Domain: (-?, ?); Range: (-?, 0]
D. Domain: (-?, ?); Range: (-?, 5]
Answer: A
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Find the missing parts of the triangle.C = 113.9°a = 7.80b = 10.10
A. c = 15.1, A = 28.2°, B = 37.9° B. c = 18, A = 30.2°, B = 35.9° C. No triangle satisfies the given conditions. D. c = 20.9, A = 26.2°, B = 39.9°
To use the Law of Cosines to solve a triangle, we must know:
(a) The measure of all three sides. (b) The measure of two sides and an angle opposite one of them. (c) The measure of at least one side and any two angles. (d) The measure of two sides and their included angle. (e) Answers (a) or (d). (f) Answers (b) or (c).
Solve the problem.You have $50,000 and wish to invest part at 10% and the rest at 6%. How much should be invested at each rate to produce the same return as if it all had been invested at 9%?
A. $37,500 at 6%, $12,500 at 10% B. $37,000 at 10%, $13,000 at 6% C. $37,000 at 6%, $13,000 at 10% D. $37,500 at 10%, $12,500 at 6%
Solve the exponential equation. Leave the answer in exact form. Do not approximate.5x + 8 = 4
A. x = 
+ log 8
B. x = 
C. x = 
D. x = log 4 - log 5 - log 8