Determine the integral by making an appropriate substitution.
dx
A. 
(x - 4)3/2 + C
B. 
(x + 8) + C
C. 
(x - 8) + C
D. 3(x - 4)3/2 + C
Answer: B
Mathematics
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Use the appropriate geometric formula to determine the missing dimension (radius, length, or height).Use 3.14 for ?. Round to the nearest hundredth when appropriate.A sphere with a volume of 30 cubic feet.
A. r = 3.11 ft B. r = 1.93 ft C. r = 367.92 ft D. r = 7.17 ft
Mathematics
Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = 
A. y = (-
- 5)x - 
+ 10
B. y = (
- 5)x + 
- 10
C. y = (
- 5)x - 
+ 10
D. y = (-
+ 5)x + 
- 10
Mathematics
Solve and check.
+ 
= 
A. x = -7 B. No solution C. x = 6 D. x = 0
Mathematics
Find an for the given geometric sequence.a2 = -10, r = -2
A. an = 5(-2)n - 1 B. an = -10(-2)n - 1 C. an = 5(-2n) D. an = 5(-2)n
Mathematics