Solve the equation. Don't forget to first simplify each side of the equation, if possible.5(x + 4) = 6(x - 6)
A. -16
B. 56
C. all real numbers
D. ?
Answer: B
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Solve.The population of a particular city is increasing at a rate proportional to its size. It follows the function P(t) = 1 + ke0.04t where k is a constant and t is the time in years. If the current population is 21,000, in how many years is the population expected to be 52,500? (Round to the nearest year.)
A. 134 yr B. 23 yr C. 13 yr D. 10 yr
Calculate the flux of the field F across the closed plane curve C.F = xi + yj; the curve C is the circle (x - 3)2 + (y - 10)2 = 121
A. 242? + 33 B. 0 C. 242? D. 2?
Determine whether the graph of the equation is a circle, parabola, ellipse, or hyperbola. Sketch the graph.y = 4(x - 1)2 - 3 
A. 
B. 
C. 
D. 
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sec (-60°)
A. - 
B. 2
C. 
D. -2