Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.ex = 0.05
A. x = -ln 0.05
B. x = ln 0.05
C. x = log 0.05
D. x = log30.05
Answer: B
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = eln 6x
A. Q(x) = 6x + 18x2 B. Q(x) = 6x - 18x2 C. Q(x) = 1 + 6x + 18x2 D. Q(x) = 6x
Mathematics
Solve. Try factoring first. If factoring is not possible or is difficult, use the quadratic formula.2x2 - 18x + 40 = 0
A. 2, 4, 5 B. -4, -5 C. 4, 5 D. 0, 4, 5
Mathematics
The table below shows the scores of a group of students on a 10 point multiple choice placement test.
The total number of students taking the test is
A. 30. B. 52. C. 8. D. 180. E. none of these
Mathematics
Graph the piecewise-defined function.
a. 
b. 
c. 
d. 
Mathematics