Name the conic.
A. ellipse
B. circle
C. parabola
D. hyperbola
Answer: C
Mathematics
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Graph the solution set of the system of inequalities or indicate that the system has no solution.x2 + y2 ? 81x + y > 1
A. 
B. 
C. 
D. 
Mathematics
Find the requested composition of functions.Given f(x) = 4x2 + 3x + 5 and g(x) = 3x - 4, find (g ? f)(x).
A. 4x2 + 3x + 1 B. 12x2 + 9x + 11 C. 12x2 + 9x + 19 D. 4x2 + 9x + 11
Mathematics
Solve the problem.Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount P of strontium 90 after t years is P = P0 e-0.0244t. How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places.
A. 45.03 years. B. 4.50 years C. 40.50 years D. 450.25 years
Mathematics
Simplify by factoring.
A. 75
B. 15
C. 5
D. 19
Mathematics