F: F

F

Example Problems

x = 4 - 2i

What is the real part of x?

f(x) = |x - 1|

g(x) = 2x + 3

Write

f(g(x))

as an expression in terms of x.

Evaluate:

\log_4(4)

h(x) = \ln(x)

k(x) = e^x

Evaluate:

h(k(2))

The following are all angle measures, in degrees, whose cosine is

-1

.
Which is the principal value of

\arccos(-1)

?

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