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What is the numerical coefficient of the term containing x²y² in the expansion of (x+2y)^5?
C. 40
If F(x)+x³-2x-1, the F(-2)=
C. -5
What is the domain of G(x)=square root of X-3/x²-2x?
B. All reals X≥ 3, X≠0,2
Which of the following is equivalent to the expression log∛a²b/c
C. 1/3(2loga+logb-logc)
Identify the vertical asymptote(s) for the function F(x)=x²-4/x³+2x²
D. x=0
Find the slant asymptote of f(x)= x²+2x-1/x-1
D. y=x+3
In polar coordinates, which of the following choices is not equivalent to (2,5π/6)
C. (2, -11π/6)
Given that sinx=-1/5 and tanx>0, find cosx
C. -2√6/5
Which of the following is a possible equation for the sinusoidal graph shown below? (insert graph)
D. y=2sin(π/4x)+1
Which of the following is equivalent to sin5xcos3x-cos5xsin3x?
D. sin2x
Given sinx=-1/8 and tanx<0, find sin2x
C. -3√7/32
Solve the equation loga3-logab=c for b
B. 3/ac
Given the function g(X)=-(12x-7)(34x+89), determine limx→-∞g(x)
D. ∞
Solve the inequality: 2(x-1)/(x+1)(x-3)≤0
C. (-∞,-1) u [1,3)
What is the function whose graph is a reflection over the y-axis of the graph of f(x)=1-3x
A. g(x)=1-3-x
Give an algebraic expression for cos(sin-1(x))
A. √1-x2
The table shows the predicted growth of a particular bacteria after various numbers of hours. Write an explicit formula for the sequence of the number of bacteria.
D. an=19n
Evaluate limx→∞ 3x²-9x-4/5x²-4x+8
C. 3/5
Given the graph of the function y=f(x) shown below with points a,b,c,d,e,f,g, and h, which of the following pairs of points below has the greatest average rate of change (with graph)
D. f and h
Solve for x: 32x=5x-1
A. -2.7281
Find all solutions in the interval [0,2π] for the trigonometric equation 6cos²x-5 sinx-2=0
B. π/6, 5π/6
After performing analyses on a set of data, Joseph examined the scatterplot of the residual values for each analysis. Which scatterplot indicates the best linear fit for the data? (with graphs)
C. (graph)
If cscx ≠ -1, which of the following is equivalent
cot²x/1+cscx?
B. cscx-1
If sinθ=b, then what is sinθ×cosθ×tanθ
D. b²
If f(θ)=acosθ+b, what is the minimum value of f(θ)?
A. b-a
Which of the following equations could represent the graph shown below? (graph)
B. y=-2sin(1/2x)
In the interval 0≤x<2π, what are the solutions of the equation sin²x=sinx
A. 0, π/2, π
What is the expression sin(x+π/2)/-sinx equvalent to?
C. -cotx
If sinA=3/5 and sinB=2/3 and if A and B are acute angles, what is the value of cos(A-B)?
D. (4√5+6)/15
Which of the following choices represents the graph of r=6cosθ?
B. right side circle graph
Given the polar coordinates (3, -3π/4), find the rectangular coordinates of this point
C. (-3√2/2, -3√2/2)
Given the rectangular coordinates (4, -4√3), find the polar coordinates of this point.
D. (8, 5π/3)
Let f be a function defined for all real numbers. Which of the following conditions is not sufficient to guarentee that f has an inverse function?
C. f is an even function
Which of the following functions is not odd?
C. h(x)=x5+1
if logb(3b)=b/2, then what does b equal?
D. 9
If f-1(x) is the inverse of f(x)=2e-x, the what does f-1(x) equal?
A. ln(2/x)
Find f(x+h) when f(x)=2x²+4x-1
D. 2x²+4xh+2h²+4x+4h-1
Using the tables below, evaluate (f x g)(4)
C. 14
Find the horizontal asymptote, if any, for the rational function g(x)=7x²-3x-6/6-8x+3x²
B. y=7/3
If x=-2 is a real zero of the polynomial f(x)x³+12x²+46x+52, write f(x) as a product of linear factors.
C. f(x)=(x+2)(x+5+i)(x-5-i)
If θ is an angle in standard position and its terminal side passes, though the point P(-0.8,0.6) on the unit circle, which of following is a possible value radian of θ to the nearest hundreth?
B. 2.50
The height, h, in meters of a rock thrown straight up at t seconds is described by the equation h(t)=2+20t=4.9t². Find the average rate of change of the height of the rock over the first 2 seconds of flight.
D. 10.2