Multiply using the rule for the product of the sum and difference of two terms. Assume any variable exponents represent whole numbers.(3x - y + 4z)(3x - y - 4z)
A. 9x2 + y2 + 24xz + 8yz - 16z2
B. 9x2 + y2 - 16z2
C. 9x2 - 6xy + y2 - 16z2
D. 9x2 - 6xy + y2 + 24xz + 8yz - 16z2
Answer: C
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Let f be a scalar field and F be a vector field. Indicate whether of the following is a scalar field, vector field, or meaningless.curl(div(grad f))
A. Scalar Field B. Vector field C. Meaningless
Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
1/f2(x), x = 4
A. - 
B. - 
C. 
D. 
Estimate the slope of the curve at the indicated point.
A. Undefined B. -1 C. 0 D. 1
Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. 3x2 + 13x - 15 = 0
A. a = 3, b = -13, c = 15 B. a = 3, b = 13, c = -15 C. a = 3, b = -13, c = -15 D. a = 3, b = 13, c = 15