Trigonmetry
State the domain of this function: (x^2 +2)/(2x^2 - 5x - 3)
R, x cannot equal -1/2, 3
One period of f(x)=cos x runs from ____ to ____
0 to 2pi
State the intervals of concave up and concave down:
up: -infinity to 0
down: 0 to infinity
Given that a = 15, b = 25, A = 85, are there one, two, or no triangles possible?
no triangles possible
Solve on [0, 2pi): 2sin^2 x - 3sin x +1 =0
x = pi/6, 5pi/6, pi/2
State the roots and any multiplicities:
roots: -3, -1 (mult 3), 2 (mult 2)
State the period and amplitude of y=2sin(3)(x)
Amplitude = 2, Period = 2pi/3