Find the domain of the function.f(x) = 4 log2(x)
A. (-?, ?)
B. (4, ?)
C. (0, ?)
D. 
Answer: C
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Write as a percent.0.94
A. 9.4% B. 94% C. 940% D. 0.094%
Multiply using Napier's rods.9 × 39
A. 342 B. 360 C. 351 D. 390
You are given a graph of a function of the form f(x) = ax2 + bx + c for different values of a, b, and c. For this function,a. Determine whether the discriminant is positive, negative, or zero.b. Determine if there are 0, 1, or 2 real solutions to f(x) = 0.c. Solve the equation f(x) = 0.
A. a. negative b. 2 c. x = -1, x = -2 B. a. positive b. 2 c. x = 1, x = 2 C. a. zero b. 2 c. x = -1, x = 2 D. a. positive b. 2 c. x = -1, x = 2
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[3 ln (x + 6) - ln x - ln(x2 - 1)]
A. ln 
B. ln 
C. ln 
D. ln 