Use the Distributive Property to remove the parentheses.10(-9a - 3b)
A. -90a - 3b
B. -9a - 30b
C. -120ab
D. -90a - 30b
Answer: D
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Find the intervals on which the function is continuous.y = 
A. discontinuous only when x = -4 B. discontinuous only when x = -4 or x = 4 C. discontinuous only when x = -16 or x = 16 D. discontinuous only when x = 16
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.x1/9 ? x8/9
A. x
B. x8/81
C. x8/9
D. 
Evaluate the integral by using a substitution prior to integration by parts.
A. 
e
+ C
B. 
e
[ 
- 7] + C
C. (7x + 7) e
+ C
D. 
e
[ 
- 1] + C
Evaluate the surface integral of G over the surface S.S is the plane x + y + z = 2 above the rectangle 0 ? x? 1 and 0 ? y ? 4; G(x,y,z) = 8z
A. -32
B. 96
C. 32
D. - 16