Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
, -1 < t ? 1
A. 
< 
B. 
< 0.20
C. 
< 
D. 
< 
Answer: A
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Express as a single logarithm.63 log7
+ log7(63x3) - log7 63
A. log7 x12 B. log7 x16/3 C. log7 x10/9 D. log7 x12/7
Solve the inequality by using algebraic and graphical methods. Round to three decimal places, if necessary.(x - 4)3 < 108
A. x < 8.762 B. x < 10 C. x < 1.769 D. x < 9.769
Solve the problem.The inequality |T - 37.5| ? 8.5 describes the range of monthly average temperatures T in degrees Fahrenheit at a City X. (i) Solve the inequality. (ii) If the high and low monthly average temperatures satisfy equality, interpret the inequality.
A. 34 ? T ? 41; The monthly averages are always within 
B. 29 ? T ? 46; The monthly averages are always within 
C. -46 ? T ? 54.5; The monthly averages are always within 
D. -41 ? T ? 44.5; The monthly averages are always within 
A function of x is depicted in the graph. Find all x-values that satisfy the given condition.f(x) = 3
A. x = 1 and x = -1 B. x = 1 C. x = -2 and x = 2 D. x = -1