Find the derivative of the function.y = x3 tan x
A. 
= - x3 sec2 x + 3x2 tan x
B. 
= x3 sec2x + 3x2 tan x
C. 
= 3x2 sec2 x
D. 
= x3 sec x tan x + 3x2 tan x
Answer: B
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Identify the form of the integral as inverse sine, inverse tangent, logarithmic, or general power.
A. Inverse tangent B. Logarithmic C. Inverse sine D. General power
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.8w + 8x - 5y - 4z = 207w + 6x - 8y - 4z = -18w - 8x + 6y + 5z = -34-5w - 4x + 8y + 8z = 1
A. (1, 5, 4, 2) B. (-1, 4, -5, 2) C. (-1, 5, 4, -2) D. No solution
Determine whether the argument is valid or invalid. If valid, name the type of reasoning and if invalid, determine the error in reasoning.No students are enthusiastic.You are enthusiastic.Therefore, you are not a student.
A. invalid, false chain pattern B. valid, direct C. valid, indirect D. invalid, fallacy of the converse E. invalid, fallacy of the inverse
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(5x + 2)3
A. 25x2 + 20x + 4 B. 125x3 + 150x2 + 150x + 8 C. 125x3 + 150x2 + 60x + 8 D. 25x6 + 10x3 + 64