Add or subtract.2.4 - (-1.6)
A. 0.8
B. 4
C. -0.8
D. -4
Answer: B
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Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.loga8x3yz5
A. 8 + logay + logaz5 B. 15 loga8xyz C. loga8 - 3 logax - logay - 5 logaz D. loga8 + 3 logax + logay + 5 logaz
One interesting property of the function f(x) = ex is that its rate of change for any value x is simply equal to ex. Find the rate of change of f(x) = ex for the given value of x. Round to the nearest hundredth.x = 6.7
A. 1998.20 B. 812.41 C. 1895.02 D. 852.93
Solve the equation.5x2 - 30x + 40 = 0
A. 4 or ?2 B. 2 or ?4 C. 2 or 4 D. ?4 or ?2
Solve the problem.Find the mode for the amounts:$1227, $14,356, $15,688, $1227 ,$18,843, $19,945, $16,222.
A. $18,843 B. $1227 C. $15,688 D. no mode