Decide whether the expression is or is not an identity.tan 
cos x + tan 
= sin x
A. Identity
B. Not an identity
Answer: A
Mathematics
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Determine if the series converges or diverges. If the series converges, find its sum.
A. converges; 
B. converges; 2
C. diverges
D. converges; 
Mathematics
The table shows points that all lie on the same line. Find the slope-intercept form for the line.
A. y = 
x - 1
B. y = - 
x - 1
C. y = 6x - 1
D. y = 
x + 1
Mathematics
Solve the problem.Write an expression in simplest form that represents the perimeter of the rectangle. Then use the expression to find the perimeter of the rectangle if x is 35.
A. 8x + 32; 312 B. 4x + 16; 156 C. x(x + 8); 1505 D. 2x + 8; 78
Mathematics
Write an equivalent expression in exponential form.ln e1/4 = 
A. e4 = e1/4
B. e1/4 = e1/4
C. e1/4 = 
D. ln 
= e1/4
Mathematics