Find the limit of the function by using direct substitution.
ln (cos x)
A. 0
B. ln(2?)
C. 1
D. 2
Answer: A
Mathematics
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Graph the equation. Select integers for x, starting with -3 and ending with 3.y = x2 - 4
A. 
B. 
C. 
D. 
Mathematics
Perform the operation and give the answer as a fraction in lowest terms.
A. - 
B. - 
C. - 
D. - 
Mathematics
Determine the order of the matrix.
A. 1 × 4 B. 4 C. 1 D. 4 × 1
Mathematics
Find the equation of the tangent line at the given point on the curve.x2 + 3y2 = 13; (1, 2)
A. y = 
x + 
B. y = 
x + 
C. y = - 
x + 
D. y = - 
x + 
Mathematics