Check whether the set and the operation form a group.
?
? for ×
?
A. no
B. yes
Answer: A
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Determine all critical points for the function.f(x) = 45x3 - 3x5
A. x = -3 B. x = 3 C. x = -3 and x = 3 D. x = 0, x = -3, and x = 3
The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where x0 = 10-3.Find the magnitude (to one decimal place) of an earthquake whose seismographic reading is 2000 millimeters at a distance of 100 kilometers from its epicenter. Round the answer to the nearest tenth.
A. 5.9 B. 7.3 C. 6.3 D. 6.4
Translate using numbers and symbols.five times the sum of x and two
A. (5 + x) ? 2 B. 5 ? x ? 2 C. 5 ? x + 2 D. 5(x + 2)
State whether the given function is linear and constant, linear but not constant, or nonlinear.f(x) = -2x + 7
A. linear, but not constant B. none of these C. linear, constant D. nonlinear