Solve the problem.A parallelogram has a base of length 2x + 1 and a height of x + 3 and has an area of 42 square units. Find the base and height of the parallelogram. (A = BH)
A. height = 14 units; base = 3 units
B. height = 6 units; base = 7 units
C. height = 7 units; base = 6 units
D. height = 3 units; base = 14 units
Answer: B
Mathematics
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Choose the expression which is equivalent to the given expression.
A. tan 7° B. cot2 7° C. tan2 7° D. cot 7°
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Find the linearization L(x) of f(x) at x = a.f(x) = 
, a = 0
A. L(x) = 
x + 7
B. L(x) = 
x + 7
C. L(x) = 
x - 7
D. L(x) = 
x - 7
Mathematics
Find the exact value of the expression.cos-1
A. 
B. 
C. 
D. 
Mathematics
Graph the function defined by 
.
?
A. ?
B. ?
C. ?
D. ?
Mathematics