Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(x) = x2 - 3 on [-3, 7] divided into 5 subintervals
A. 45
B. 
C. 9
D. 12
Mathematics
Solve.t2 - 6 = -
A. ±
, ±
B. ±
C. ±
D. 
, 
Mathematics
Solve the problem.Suppose you invest $5215 at the end of each year into an account earning 6% interest (compounded annually). At the end of 6 years, how much money will be in the account?
A. $36,376.30 B. $123,293.00 C. $35,660.00 D. $36,232.70
Mathematics
Identify the polynomial as a monomial, binomial, trinomial, or none of these.
r3s2 + 
r2s - 
rs
A. Monomial B. Binomial C. Trinomial D. None of these
Mathematics