College Algebra & Trigonometry, 2018a

520 CHAPTER 11. THE LAW OF SINES THE LAW OF COSINES
Section 4.1
1) f(0) = 1 f(−1) = 6 f(3) = 10 f(0.5) = 0
f(x +2)=2x 2 +5x +3 f(x + h) =2x 2 +4xh − 3x +2h 2 − 3h +1
3) f(0) = 0 f(−1) = undefined f(3) = 0.375 f(0.5) = − 2 3
f(x +2)=
x +2
x 2 +4x +3
f(x + h) =
x + h
x 2 +2xh + h 2 − 1
Section 4.2
1) Domain: x ≥− 1 2
3) Domain: x ∈ R,x≠ −9
Range: y ≥ 0 Range: y ∈ R,y ≠1
5) Domain: −10 ≤ x ≤ 4 7) Domain: −8 ≤ x ≤ 6
Range: −5 ≤ y ≤ 2 Range: −2