Decide whether the expression is or is not an identity.tan 
= ± 
A. Identity
B. Not an identity
Answer: A
Mathematics
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Find all the roots of the function. Use preliminary analysis and graphing to determine good initial approximations. Round to six decimal places.f(x) = x5 - 
+ 1
A. x ? -0.942487 B. x ? -0.832487 C. x ? -1.052487 D. x ? -0.722487
Mathematics
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.3431/3
A. - 
B. -7
C. 
D. 7
Mathematics
Use the given information to find the equation of the circle.Center: (2, -3); passes through the point (7, -7)
A. (x - 2)2 + (y + 3)2 = 41
B. (x + 2)2 + (y - 3)2 = 41
C. (x - 2)2 + (y + 3)2 = 
D. (x + 3)2 + (y - 2)2 = 41
Mathematics
Evaluate the function.Find f(-3) when f(x) = 3x2 + 3x - 6.
A. 24 B. 27 C. 12 D. 30
Mathematics