Solve the problem.Find the tangent to y = cot x at x = 
.
A. y = -2x + 
B. y = 2x + 1
C. y = -2x + 
+ 1
D. y = 2x - 
+ 1
Answer: C
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Describe the level surfaces for the given function.f(x, y, z) = 7x2 + 3y2 + 5z2 - 6
A. Ellipsoids B. Hyperboloids of two sheets C. Hyperbolic Paraboloids D. Hyperboloids of one sheet
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
= x
A. Identity, {all real numbers}
B. Identity, {x
}
C. Inconsistent, ?
D. Conditional, {12}
Find the sum of the arithmetic sequence.{6n + 3}, n = 38
A. 4655 B. 4446 C. 4560 D. 4788
Solve the problem.The number of bacteria growing in an incubation culture increases with time according to B = 5000(5)x, where x is time in days. Find the number of bacteria when x = 0 and x = 2.
A. 5000 bacteria, 125,000 bacteria B. 25,000 bacteria, 125,000 bacteria C. 5000 bacteria, 15,625,000 bacteria D. 5000 bacteria, 50,000 bacteria