Sec
Write the expression using logs: 2 x =7.2
log 2 7.2=x
If every horizontal line intersects the graph of a function f at no more than one point, the f is a(n) ____________ function.
one-to-one
Find the inverse: f(x) = 2x + 6
Write the expression in exponential form: log 2 M = 1.3
2 1.3 = M
If the graph of every exponential function f(x) = a x, a>0, a not = 1, is decreasing, then a must be less than _________.
1
Graph f(x)=4 x
(0,1) (1,4) (-1,1/4)
If f -1 denotes the inverse of a function f, then the graphs of f and f -1 are symmetric with respect to the line ___________.
y = x
Find the inverse: {(1,2),(2,8),(3,18),(4,32)}
{(2,1),(8,2),(18,3),(32,4)}
Graph f(x)=log 4 x
(1,0) (4,1) (1/4,-1)
What is the asymptote of the graph f(x)=5+e -x ?
y = 5
Solve: (1/5) 2-x = 25
x = 4
What is the domain of the function f(x)=3 x+2 ?
What is the domain ?
Find the exact value (without using a calculator)
4
What is the domain of the function?
Determine if the two functions are inverses of each other:
no
Solve:
x = 2
What is the asymptote of the function h(x) = 3 + log(x + 2)?
x = -2
What is the domain of the function F(x) = log(2-x)?
Determine if the two functions are inverses of each other:
yes f(g(x)) = g(f(x)) =x