Solve.
= 
A. No solution
B. 
C. 
D. - 
Answer: C
Mathematics
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Solve the trigonometric equation symbolically, graphically, or numerically for 
sec2 ? - 2 = 0
A. ? = 135°, 315° B. ? = 30°, 150°, 210°, 330° C. ? = 45°, 135°, 225°, 315° D. ? = 30°, 330°
Mathematics
Find the unit ratio.39 to 52
A. 0.25
B. 7.5
C. 0.75
D. 1.
Mathematics
Find any inflection points given the equation.f(x) = 7x2 + 70x
A. Inflection point at (10,-70) B. Inflection point at (-10,-70) C. No inflection points D. Inflection point at (-5,-175)
Mathematics
Solve the problem.When a ball is thrown upward at a speed of 19 m/s, its height s above the ground (in meters) after t seconds is given by the formula 
Find the height of the ball after 3 seconds.
A. 12.9 meters B. 27.6 meters C. 42.3 meters D. 52.1 meters
Mathematics