Practice: Key Features of Graphs Name ________________________________
Directions: Given the graphs below, find the key features (domain, range, intercepts,
increasing/decreasing intervals, maximum/minimum, positive/negative) of each graph.
Graph
Key Features of Graph
1.
Domain: [-3,14] Increasing: (-3,9)๊ด(11,14)
Range: [-5,10] Decreasing: (9,14)
x-intercept(s): (4.5,0) Positive: (4.5,14]
y-intercept: (0,-3) Negative: [-3,4.5)
Maximum: (9,10) Minimum: Rel: (-3,-5)
End Behavior: ๐๐ ๐ฅ โ โ3, ๐ฆ โ โ5; ๐๐ ๐ฅ โ 14, ๐ฆ โ 10
2.
Domain: (-โ, โ) Increasing: (-2,-0.5) ๊ด (1, โ)
Range: (0, โ) Decreasing: (-โ,-2) ๊ด (-0.5,1)
x-intercept(s): (-2,0) & (1,0) Positive: (-โ,-2) ๊ด (-2,1) ๊ด(1, โ)
y-intercept: (0,4) Negative: none
Maximum: Rel: (-0.5,5.063) Minimum: (-2,0) & (1,0)
End Behavior: ๐๐ ๐ฅ โ โโ, ๐ฆ โ +โ; ๐๐ ๐ฅ โ +โ, ๐ฆ โ +โ
3.
Domain: (-โ, โ) Increasing: (-2,1.333)
Range: (-โ, โ) Decreasing: (-โ,-2) ๊ด (1.333, โ)
x-intercept(s): (-2,0) & (3,0) Positive: (-โ,-2) ๊ด (-2,3)
y-intercept: (0,3) Negative: (3, โ)
Maximum: L(1.333,4.63) Minimum: L(-2,0)
End Behavior: ๐๐ ๐ฅ โ โโ, ๐ฆ โ +โ; ๐๐ ๐ฅ โ +โ, ๐ฆ โ โโ
4.
Domain: (-โ, โ) Increasing: (2, โ)
Range: (1, โ) Decreasing: (-โ,2)
x-intercept(s): none Positive: (-โ, โ)
y-intercept: (0,5) Negative: none
Maximum: none (unbounded) Minimum: (2,1)
End Behavior: ๐๐ ๐ฅ โ โโ, ๐ฆ โ +โ; ๐๐ ๐ฅ โ +โ, ๐ฆ โ +โ
