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Hw 12 Special Inequalities and Square Roots

Homework which would help prepare for the exam. (It is pretty short fo...
Course

College Algebra (MATH 8)

51 Documents
Students shared 51 documents in this course
Academic year: 2017/2018
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San José State University

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SJSU Math 08 Homework 12: Special Inequalities Square Roots For questions 1 and 2, let f (x) 3x2 12x 2. 1. For what values of x is f (x) (a) x 2 (b) x 2 10? (c) All values of x will work (d) No values of x will work 2. For what values of x is f (x) (a) x 2 (b) x 2 10? (c) All values of x will work (d) No values of x will work For questions 3 and 4, let f (x) 3x2 8x 30. 3. For what values of x is f (x) (a) x 3 (b) x 3 10x 3? (c) All values of x will work (d) No values of x will work 4. For what values of x is f (x) (a) x 3 (b) x 3 10x 3? (c) All values of x will work (d) No values of x will work Page 1 of 4 Due: Oct 16th SJSU Math 08 Homework 12: Special Inequalities Square Roots 2x2 5. Let f (x) 12x 18. For what inputs is f (x) negative? (a) f (x) is negative only when x (b) f (x) is negative for any x 3 3 (c) f (x) is negative for all values of x (d) f (x) is never negative 6. Find the domain of the function f (x) 3x p 2x2 4x 2 10. (a) x 1 (b) x 1 (c) All values of x are ok (d) No values of x will work 7. Find the domain of the function f (x) (a) x 2 (b) x 2 p x2 4x (c) All values of x are ok (d) No values of x will work Page 2 of 4 4 5 . Due: Oct 16th SJSU Math 08 Homework 12: Special Inequalities Square Roots Due: Oct 16th Review 11. Determine the domain and range of this graph: (a) D 0 x 2 (b) D 0 x 2 (c) D (d) D 12. Let f (x) (a) x 0 (b) x 15 25 px 3 5 1. What is this domain? (c) x 0 (d) x 15 13. Let f (x) x3 1. Is f (x) even, odd, or neither? (a) Even (b) Odd (c) Neither 14. Let f (x) x2 1. Is f (x) even, odd, or neither? (a) Even (b) Odd (c) Neither Page 4 of 4

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Hw 12 Special Inequalities and Square Roots

Course: College Algebra (MATH 8)

51 Documents
Students shared 51 documents in this course

University: San José State University

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SJSU Math 08 Homework 12: Special Inequalities & Square Roots Due: Oct 16th
For questions 1 and 2, let f(x)=3x2+ 12x+ 2.
1. For what values of xis f(x)10?
(a) x=2
(b) x6=2
(c) All values of xwill work
(d) No values of xwill work
2. For what values of xis f(x)<10?
(a) x=2
(b) x6=2
(c) All values of xwill work
(d) No values of xwill work
For questions 3 and 4, let f(x)=3x2+8x+ 30.
3. For what values of xis f(x)10x+ 3?
(a) x=3
(b) x6=3
(c) All values of xwill work
(d) No values of xwill work
4. For what values of xis f(x)>10x+ 3?
(a) x=3
(b) x6=3
(c) All values of xwill work
(d) No values of xwill work
Page 1 of 4

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