Use the discriminant of the equation to determine the number of x-intercepts.f(x) = x2 + 8x + 21
A. One x-intercept
B. Two x-intercepts
C. No x-intercepts
Answer: C
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Determine if the series converges or diverges; if the series converges, find its sum.
A. Converges; 
B. Converges; 
C. Converges; 
D. Diverges
Write the equation of the line that satisfies the given conditions. Express the final equation in standard form.contains the point (9, 4) and is parallel to the line x-4y = –5
A. x-4y = –7 B. –4x - y = –40 C. –4x-–5y = –40 D. x-4y = –5 E. –4x-y = 7
Given the following function, find the indicated values. Then write the corresponding ordered pairs.Find h(-1), h(0), and h(8) when h(x) = -7
A. (-7, -1), (-7, 0), (-7, -7) B. (-1, -7), (0, -7), (8, -7) C. (-1, 7), (0, 7), (8, 7) D. (-1, 7), (0, 0), (8, -56)
Solve the problem.Find the value of a retirement savings account paying an APR of 6.2% after 40 years (contributions made at the end of each year, including the last year) when the annual contribution is $2700. Round your answer to the nearest cent.
A. $439,457.86 B. $411,259.75 C. $469,404.24 D. $486,451.91 E. $434,574.99