Determine whether the lines associated with the functions are parallel, perpendicular, or neither.f(x) = 9x - 1f(x) = - 
x - 2
A. Parallel
B. Neither
C. Perpendicular
Answer: C
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Suppose ? is an angle in standard position. Given an equation of the terminal side of ?, give the exact value of the indicated trigonometric function(s). Rationalize denominators if necessary.y = -8x, Quadrant IIFind tan ? and sec ?.
A. tan ? = -8; sec ? = 
B. tan ? = - 
; sec ? = -8
C. tan ? = -8; sec ? = - 
D. tan ? = - 
; sec ? = - 
We have seen that isosceles triangles have two sides of equal length. The angles opposite these sides have the same measure. Use this information to find the measure of the requested angle.Find the measure of angle 2.
A. 43° B. 60° C. 94° D. 137°
Solve the problem.Suppose the algae growth in Black Oak Lake increased from 10,000 cells per milliliter to approximately 10,000,000 cells per milliliter in a 
period. The specific growth 
is defined byr = 
, 
is the algae concentration at 
/>
is the algae concentration at 
In this situation, what is the specific growth rate of algae? Round your results to the nearest hundredth.
A. -1,998,000.00
B. 0.60
C. 1,998,000.00
D. -0.60
Decide whether or not the functions are inverses of each other.f(x) = 9x - 9, g(x) = 
x + 1
A. Yes B. No