Functions
What is the slope of the line y=3x+7
3
What is sin90°
1
Simplify 2^3
8
What is the degree of (x^4)-3x+7?
4
What is the magnitude of vector (3,4)?
5
Find f(2) if f(x)=(x^2)-4x+1
-3
Convert 180° to radians
π
Rewrite log₂8=3 in exponential form
2^3=8
Factor: (x^2)-9
(x-3)(x+3)
Convert polar point (2,π/2) to rectangular coordinates
(0,2)
What is the vertex of y=((x-2)^2)+5
(2,5)
What is the period of y=sinx
2π
Solve 3^x=81
x=4
Find the zeroes of (x^2)-5x+6
Add vectors: (2,3)+(4,-1).
(6,2)
function is increasing on what interval if f(x)=x^3
(-∞,∞)
Solve: cosx=0 for 0≤x<2π
π/2, 3π/2
Solve log(x)=2
100
State the vertical asymptote of y= 1/(x-4)
x=4
Convert (1,√3) to polar coordinates.
(2,π/3)
Find the inverse of f(x)=2x-9
f^-1(x)= (x+9)/2
Verify: (sin^2)x+cos^2x=?
1
What is the asymptote of y=2^x
y=0
x+3
A point on the unit circle has coordinates (√2 /2,√2 /2). What angle corresponds to this point.
π/4 or 45°