Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.2161/3
A. 6
B. 1296
C. 3888
D. 18
Answer: A
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Find the graph of the equation. f (x) = | x - 4 |
a. 
b. 
c. 
d. 
Solve the problem.The delivery of a drug (such as an antibiotic) through an intravenous line may be modeled by the differential equation src="https://sciemce.com/media/4/ppg__tttt0613190828__f1q11g5.jpg" alt="" style="vertical-align: -4.0px;" /> are solutions increasing? decreasing? What is the equilibrium solution?
A. increasing for A < 40 and decreasing for A > 40; m(t) = 40
B. increasing for A > 40 and decreasing for A < 40; m(t) = 40
C. increasing for A < 40 and decreasing for A > 40; m(t) = 0
D. increasing for A > 40 and decreasing for A < 40; m(t) = 0
where m(t) is the mass of the drug in the blood at time 
k is a constant that describes the rate at which the drug is absorbed, and I is the infusion rate. Let 
and 
For what initial values
Solve the problem.Let f(x) = cos x, g(x) = x - ?/2, and h(x) = 2x. Find h(f(x)).
A. 2 cos x B. cos(2x) C. 2 cos(x - ?/2) D. cos(x - ?/2)
Predict the display a calculator would give for the expression shown in the screen. .0000062
A. 62E6 B. 6.2E6 C. 62E-6 D. 6.2 E-6