Add or subtract by first simplifying each radical and then combining any like radical terms. Assume that all variables represent positive real numbers.
- 
+ 
A. 7x
- 4
B. 7
- 
C. 6x
- 4
D. 7x
- 4
Answer: D
Mathematics
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Find the volume under the surface of the specified figure. z = x2 + y2; R = {(x, y): 0 ? x ? 4, -3 ? y ? 1}
A. 
B. 
C. 
D. 
Mathematics
Verify the formula for 
and 
. Is it correct?
?
?
A. yes
B. no
Mathematics
Add.870654011
A. 16,281 B. 17,381 C. 16,371 D. 17,271
Mathematics
Write a polynomial f(x) in complete factored form that satisfies the conditions. Let the leading coefficient be 1.Degree 5; zeros: -6 with multiplicity 4, and 4 with multiplicity 1
A. f(x) = (x - 4)4(x - 6) B. f(x) = (x + 4)4(x - 6) C. f(x) = (x + 6)4(x - 4) D. f(x) = (x - 6)4(x + 4)
Mathematics