Answer Key
787
245 . Domain: all real numbers, range: (−1, ∞), y =−1
247 . 8 1/3 =2 249 . 5 2 =25 251 . e −3 = 1 e 3 253 . e 0 =1 255 . log 4 ⎛ ⎝ 1 16 ⎞
⎠ =−2
257 . log 9 1=0 259 . log 64 4= 1 3 261 . log 9 150= y 263 . log 4 0.125= − 3 2 265 . Domain: (1, ∞), range: (−∞, ∞), x =1
267 . Domain: (0, ∞), range: (−∞, ∞), x =0
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