Use the discriminant to determine the number and type of solutions for the given equation.x2 - 2x + 7 = 0
A. two real irrational solutions
B. one (repeated) real rational solution
C. two real rational solutions
D. two imaginary solutions
Answer: D
Mathematics
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By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = (1 + 0.153/n)n
A. L ? 1.1653, N = 6 B. L ? 1.153, N = 6 C. L ? 1.1653, N = 2 D. diverges
Mathematics
Find the missing numbers.
A. (a) = 0, (b) = 1 B. (a) = 1, (b) = 1 C. (a) = 2, (b) = 1 D. (a) = 1, (b) = 2
Mathematics
Provide an appropriate response.Use 
-1 = 
to solve 
.
What will be an ideal response?
Mathematics
Use the even-odd identities to find the exact value of the expression. csc (-30°)
A. - 
B. 
C. -2
D. 2
Mathematics