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Stitz-Zeager_College_Algebra_e-book

001 1999 d f 3001 1999 f f 2 5 d f

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Unformatted text preview: ) f (b) f (−2) (e) f (a + 2) (c) f (2a) (f) f (a) + f (2) (h) (i) f (a + h) x ≤ −3 √ x + 5, 2 , −3 < x ≤ 3 8. Let f (x) = 9−x −x + 5, x>3 (a) f (−4) (c) f (3) (e) f (−3.001) (b) f (−3) (d) f (3.001) (f) f (2) 1.5 Function Notation x2 √ 9. Let f (x) = 1 − x2 x 51 if if if x ≤ −1 −1 < x ≤ 1 Compute the following function values. x>1 (a) f (4) (d) f (0) (b) f (−3) (e) f (−1) (c) f (1) (f) f (−0.999) 10. Find the (implied) domain of the function. (a) f (x) = x4 − 13x3 + 56x2 − 19 (b) f (x) = x2 + 4 x+4 (c) f (x) = 2 x − 36 √ (d) f (x) = 6x − 2 6 (e) f (x) = √ 6x − 2 √ 3 (f) f (x) = 6x − 2 6 √ (g) f (x) = 4 − 6x − 2 √ 6x − 2 (h) f (x) = 2 x − 36 √ 3 6x − 2 (i) f (x) = 2 x + 36 t t−8 √ r Q(r) = r−8 θ b(θ) = √ θ−8 y α(y ) = 3 y−8 √ √ A(x) = x − 7 + 9 − x 1 g (v ) = 1 4− 2 v w−8 √ u(w) = 5− w (j) s(t) = (k) (l) (m) (n) (o) (p) 11. The population of Sasquatch in Portage County can be modeled by the function P (t) = 150t , where t = 0 represents the year 1803. What is the applied domain...
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