Determine whether the pair of lines is parallel, perpendicular, or neither.y + 17 = -4x5y = 25x - 1
A. Parallel
B. Perpendicular
C. Neither
Answer: C
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Verify that the curve r(t) lies on the surface. Give the name of the surface.r(t) = 
; z=x2 + y2
A. 3t = 3t cos2t + 3t sin2t; elliptic cylinder B. 3t = 3t cos2t + 3t sin2t; paraboloid C. 3t = 3t cos2t + 3t sin2t; ellipsoid D. 3t = 3t cos2t + 3t sin2t; hyperboloid
A certain animal grows to a maximum length of 28 inches. Its length, in inches, at age src="https://sciemce.com/media/3/ppg__cognero__Section_6.4_Equations_of_Change_Linear_and_Exponential_Functions__media__880d031b-fe53-4676-9f4b-a6ab67b6d679.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_a1f2bc38aca54c8a9e58b15b3" /> between the maximum length and the current length satisfies the equation of change
years is given by the function 
. The difference
.
A: If the animal is 5 inches long when it is born, find a formula that gives the length difference D as a function of the age t. Write your answer using the alternative form for an exponential function.B: Find a formula that gives the length in terms of the age.C: What is the animal's length at age 8 years?
What will be an ideal response?
Find the integral.
A. 55.2 B. 40.2 C. 6.70 D. 9.48
Find the value of d2y/dx2 at the point defined by the given value of t.x = sin t, y = 5 sin t, t = 
A. -10 B. 0 C. 10 D. -5