Find the quadratic approximation of f at x = 0.f(x) = tan 8x
A. p2(x) = 1 + 8x2
B. p2(x) = 1 + 4x2
C. p2(x) = 1 - 4x2
D. p2(x) = 8x
Answer: D
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Expand and simplify the given expression by use of the binomial formula.(xy - z)5
A. x5y5 - z5 B. x5y5 + 5x4y4z + 10x3y3z2 + 10x2y2z3 + 5xyz4 + z5 C. -x5y5 + 5x4y4z - 10x3y3z2 + 10x2y2z3 - 5xyz4 + z5 D. x5y5 - 5x4y4z + 10x3y3z2 - 10x2y2z3 + 5xyz4 - z5
Express as a product.log y19
A. log y ? log 19 B. 19 log y C. y log 19 D. log y ? log y
Is f(x) an even or odd function? What symmetry does its graph exhibit?f(x) = - 
A. Even; symmetry with respect to the y-axis B. Odd; symmetry with respect to the y-axis C. Even; symmetry with respect to the origin D. Odd; symmetry with respect to the origin
Solve the problem.Midtown Delivery Service delivers packages which cost $1.90 per package to deliver. The fixed cost to run the delivery truck is $70 per day. If the company charges $6.90 per package, how many packages must be delivered daily to break even?
A. 14 packages B. 36 packages C. 9 packages D. 7 packages