Give a direct proof of the following “theorem.”
Premise 1: If it is new, then it is red.
Premise 2: If it is Sam’s car, then it is new.
Premise 3: If if is red, then it is fast.
Theorem: If it is Sam’s car, then it is fast.
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Sketch the graph of the function on semilog paper.y = 2x4 + 8x
What will be an ideal response?
Complete the identity.sec x - 
= ?
A. 1 + cot x B. -2 tan2 x C. sin x tan x D. sec x csc x
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.4x - y + 3z=12x + 4y + 6z=-325x + 3y + 9z=20
A. (8, -7, -2) B. (2, -7, -1) C. no solution D. (-8, -7, 9)
Determine whether the function is linear, constant, or neithery = 
A. Linear B. Constant C. Neither