Evaluate the expression for the given values of the variables, if possible.9y
y = -4
A. -360
B. -45
C. -136
D. -36
Answer: D
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Find the limit and determine if the function is continuous at the point being approached.
sin(3x - sin 3x)
A. 0; no B. 0; yes C. does not exist; yes D. does not exist; no
Find the slope and the y-intercept from the equation of the line. Sketch a graph of the equation.5x - 2y + 7 = 0
A. m = 
; y-intercept = - 
B. m = 
; y-intercept = 
C. m = - 
; y-intercept = - 
D. m = - 
; y-intercept = 
Solve the problem.A brick staircase has a total of 20 steps The bottom step requires 146 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 3870 bricks B. 1970 bricks C. 3940 bricks D. 1920 bricks
One of sin x, cos x, and tan x is given. Find the other two if x lies in the specified interval.cos x = 
,
x in 
A. sin x = 
, tan x = - 
B. sin x = - 
, tan x = - 
C. sin x = 
, tan x = 
D. sin x = - 
, tan x = - 