Function ops
If f(x)=3x−2, find f(-4)
What is -14?
Rewrite in exponential form:
ln(x)=2
What is x = e2
You invest $1000 at 5% interest for 2 years. About how much money will you have?
What is $1102.50?
Find the vertical asymptote of
f(x)=1/ (x-2)
What is x=2?
Find cos(0)
What is -1?
If g(x)=2x+1 and h(x)=x2 , find (g+h)(3)
What is 16?
Simplify:
ln(3)+ln(2)
What is ln(6)
A population starts at 50 and doubles. What kind of growth is this?
What is exponential growth?
Find the x-intercept of
What is (4,0)
Find sin(90*)
What is 1?
If f(x)=x2 , find f(5)−f(2)
What is 21?
Solve:
ex=10
What is x=ln(10)?
A bacteria culture starts with 100 bacteria and doubles every hour. How many bacteria will there be after 3 hours?
What is 800?
Find the hole of
f(x)=(x^2-9)/(x-3)
What is hole at (3,6)
Fine cos
(2pi)/3
What is -1/2
If f(x)=x+1 and g(x)=3x, find (fg)(2)
What is 18?
Solve:
ln(x)=4
What is x=e4?
You invest $500 at 10% annual interest for 1 year. How much interest do you earn?
What is $50?
Find the horizontal asymptote of
f(x) = (3x^2+1)/(x^2+5)
What is y=3
If cosθ=
-(√2)/2
and θ is in Quadrant II, find sinθ
What it
(√2)/2
If f(x)=x−2 and g(x)=x 2 , find (f∘g)(3)
What is 7?
Solve:
2ex=8
What is x=ln(4)?
A car worth $20,000 loses 15% of its value each year. Will the value decrease faster at the beginning or later?
What is faster at the beginning?
State the domain of
f(x)=2/(x+7)
If sinθ=−1/2 and θ is in Quadrant IV, find cosθ and tanθ
costheta=(√3)/2
tantheta =-(√3)/3