True or False: A single point that is NOT the top or bottom of a bump can be an absolute maximum
True
Find all vertical asymptotes:
f(x)=3/((x-2)(x+3)(x-5))
x=2, x=-3, x=5
For what values of x is f(x)=log(x) not defined?
x <= 0
Convert the following from radians to degrees:
pi/6, pi/4, pi/3
pi/6 = 30
pi/4 = 45
pi/3 = 60
Define amplitude
Distance from highest/lowest point to the midline
Picture the graph of x3. How many intervals of increasing are there and what are the intervals?
one!
(-\infty, \infty)
Draw on the whiteboard a vertically stretched and horizontally compressed apple. Comment on what you notice.
Ms. Dror assesses correct solution, both apples should look the same!
Solve for x:
2^(x-3)=2^4
x=7
Solve sec(60 deg)
2
Roughly sketch one cycle of the parent negative sine curve and one cycle of the parent negative cosine curve.
Ms. Dror will assess.
Describe ALL transformations performed on this equation:
f(x)=-(2x+3)^2-10
1. Reflection over the x-axis
2. Horiz comp by 1/2
3. Left 3
4. Down 10
Determine all vertical asymptotes of the following:
f(x)=[x^2-x-6]/[(x-3)(x+2)(x-4)]
x=4
There are two holes at x=3, x=-2
Solve the following expression.
log_9(1/3)
-1/2
Solve sin(300 deg)
-sqrt(3)/2
What is the period, starting, and ending point of the following:
y=sin3(x+pi/3)
period: (2pi)/3
start: -pi/3
end: pi/3
f(x)=1/(x-2), g(x)=sqrt(x+4), h(x)=x^2-5
Find h(g(f(x)))
1/(x-2)-1
Determine the horizontal asymptote of the following:
f(x)=[3(x-1)^4(x+5)(x-4)]/[2(x-4)^4(x+3)^2(x-7)(x+1)]
y=0
(smaller degree)/(larger degree)
Solve the equation:
log(x)-log(2)=1
x=20
Solve
cos((11pi)/6)
sqrt(3)/2
At what points do the parent sine and cosine curves intersect?
(pi/4, 1/(sqrt(2)))
Find the inverse of the following function:
f(x)=(3x+5)/(2x-7)
f^(-1)(x)=(7x+5)/(2x-3)
Consider a rational that has a degree 4 poly in the numerator and a degree 3 poly in the denominator. There is no horizontal asymptote. Think about polynomial division. What kind of end behavior will this rational function following.
Degree 4 divided by degree 3 is degree 1.
It will follow a linear end behavior.
Solve the equation:
e^(2x)-3e^x-28=0
x=ln(7)
Solve cot(540 deg)
undefined
Consider the curve below that models simple harmonic motion of a pendulum swinging.
Determine the frequency of the following curve and define what the frequency is.
y=4sin(40pi)(t-3)+2
40, 40 cycles per second.