Domain/Range
To find the range of a function, which axis do you need to observe?
y-axis
(W)Find the equation of a line in slope-intercept form that passes through (1,4) with a slope of 3.
y=3x+1
What is the numerical value of i2?
-1
Evaluate the expression log5125
3
Simplify the exponential expression 3x4*x5
3x9
find the domain of the function y=(x+7)2+3
All Real Numbers
How can you tell if a function is indeed a function?
It passes the vertical line test; All of the inputs (x values) are different values
(W)Perform the indicated operation: (4-i)(3+1)
13 + i
Evaluate the expression log8(1/8)
-1
(W)Simplify the expression 10xy3 * 3x2y
30x3y4
(W)Find the range of the function y=3(x+1)+2
[2, infinity) OR x is greater than or equal to 2
given that f(x)=1-2x and g(x)=7+3x, find f(g(2))
-25
(W)What is the factored form of x2-6x+5
(x-1)(x-5)
(W)Expand the log expression log2(4a2b3)
2 + 2log2a + 3log2b
simplify the following expression 7x-8*4x7
28/x
(W)Find the range of the function y=5(x-2)+4
[4, infinity) OR x is greater than or equal to 4
(W)given that f(x)=1-2x and g(x)=7+3x, find g(f(x))
10-6x
(W)Perform the indicated operations (8-i)(7+2i)
58 +9i
(W)condense the log expression 4log8a +log8b -2log8c
log8(a4b/c2)
(W)Evaluate the expression (3x4y2)3
27x12y6