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Hw 14 Square Root Inequalities
Course: College Algebra (MATH 8)
51 Documents
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University: San José State University
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SJSU Math 08 Homework 14: Square Root Inequalities Due: Oct 23rd
1. Let f(x) = √x+ 5 + 3x−1 and let g(x) = 2x+ 6. What values of xallow g(x) to produce
greater numbers than f(x)?
(a) x < −5,11 < x
(b) x < 4,11 < x
(c) −5< x < 4
(d) 4 < x < 11
(e) No solutions
2. Let f(x) = −3·√x+ 6. For what values of xis f(x) larger than x+ 8?
(a) −6< x < −5
(b) −6< x < −2
(c) −5< x < −2
(d) −6< x < −5,−2< x
(e) No solutions
3. Let f(x) = x+ 4. For what values of xis f(x) larger than √12x+ 16?
-4/3, 0, 4
(a) −4/3< x < 0
(b) −4/3< x < 4
(c) 0 < x < 4
(d) −4/3< x < 0,4< x
(e) No solutions
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