# ptest1A - x 2 + 4 x . (b) lim x x + 2 9 x 2 + 1 . 8. Show...

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Name: Practice Test 1A for Calculus I (151K) 1. Evaluate: lim t 4 1 + 2 t - 3 t - 4 . 2. Evaluate: lim t 3 t 2 - 9 2 t 2 - 5 t - 3 . 3. Evaluate the infnite limit. (Determine whether the limit is ±∞ .) (a) lim x ( π 2 ) + sec x . (b) lim x →- 2 - x 2 - 9 x 2 - 4 . 4. Evaluate: lim x 1 1 x 3 - 1 x - 1 . (Hint: it may help to use x 3 - 1 = ( x - 1)( x 2 + x + 1) at some point in the problem.) 5. Evaluate: lim x 5 x 2 - 2 x - 15 x 2 + x - 30 . 6. Evaluate: lim x →- 1 x 2 + x x 2 + 4 x + 3 . 7. Evaluate: (a) lim x →∞ 2 - 3 x 2 5
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Unformatted text preview: x 2 + 4 x . (b) lim x x + 2 9 x 2 + 1 . 8. Show that the equation x 5-3 x + 8 = 0 has at least one solution. 9. Evaluate the derivative oF f ( x ) = 1 /x From the defnition. 10. ind the derivative oF the given Functions. (a) f ( x ) = 2 x 2 + 7 x + 3 x + 1. (b) f ( x ) = e x + x-1 x ....
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## This note was uploaded on 10/20/2011 for the course MTH 151 taught by Professor Skillings during the Spring '08 term at Miami University.

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