Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Choose the polar equation that matches the graph.
A. r = sec(2?) B. r = csc(2?) C. r = cos(2?)/? D. r = cos(?/2)
Mathematics
Find the x-intercepts.f(x) = 4x2 - 3x - 3
A. (2, 0) and (3, 0)
B. No x-intercepts
C. (
, 0) and (
, 0)
D. (
, 0) and (
, 0)
Mathematics
Multiply.
× 
A. 
B. 
C. 
D. 
Mathematics
Give an appropriate answer.A sphere has an area A and a radius r. The radius of the sphere is r = 
. Rewrite this expression by rationalizing the denominator and simplifying.
A. r = 
B. r = 
C. r =
D. r = 
Mathematics