Solve the equation for the indicated variable.A = 
for b
A. b = 
B. b = 
C. b = 
D. b = 
Answer: B
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Solve the problem.Find the tangent line(s) at the pole for the curve 
A. ? = 0 (y = 0), ? = 
[y = (tan
)x], ? = 
[y = (tan
)x]
B. ? = 
[y = (tan
)x], ? = 
(x = 0), ? = 
[y = (tan
)x]
C. ? = 0 (y = 0), ? = 
[y = (tan 
)x], ? = 
[y = (tan 
)x], ? = 
[y = (tan 
)x], ? = 
[y = (tan 
)x]
D. ? = 
[y = (tan 
)x], ? = 
[y = (tan 
)x], ? = 
(x = 0), ? = 
[y = (tan 
)x], ? = 
[y = (tan 
)x]
Use algebraic and/or graphical methods to solve the inequality.3 + 
- 
? 0
A. -8 ? x < 0 or 0 < x ? 
B. x ?-8 or x ? 
C. -8 ? x ? 
D. 
? x ? 8
Find the x-intercept and the y-intercept of the graph of the equation. Do not graph the equation.5x - 10y = 20
A. x-intercept = 4; y-intercept = 2 B. x-intercept = 2; y-intercept = 4 C. x-intercept = -2; y-intercept = 4 D. x-intercept = 4; y-intercept = -2
Solve the problem.Instruments on a satellite measure the amount of power generated by the satellite's power supply. The time t and the power P can be modeled by the function P = 50e-t/300, where t is in days and P is in watts. How much power will be available after 378 days? Round to the nearest hundredth.
A. 15.95 watts B. 14.32 watts C. 4.11 watts D. 14.18 watts