Find the exact value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.Find sec ?.
A. 
B. 
C. 
D. 
Answer: C
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Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = y - ex - 2, y(2) = -1, h = 0.5
A. y1 = -6.6945, y2 = -18.2830, y3 = -36.2673 B. y1 = -6.1945, y2 = -16.3830, y3 = -35.6173 C. y1 = -7.1945, y2 = -20.1830, y3 = -36.9173 D. y1 = -5.6945, y2 = -14.4830, y3 = -34.9673
Provide an appropriate response.Is 
dx = 
+ C?
A. Yes B. No
Solve. Express the result in scientific notation. If necessary, round the decimal factor to two decimal places.In a state with a population of 9,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state?
A. $54 × 1011 B. $5.4 × 1010 C. $54 × 1010 D. $5.4 × 109
Identify the conic section represented by the equation.6x2 - 8y2 - 12x + 64y - 170 = 0
A. circle B. ellipse C. parabola D. hyperbola