MATH 130 Midterm: MATH130 BOYLE-M SPRING2015 0101 MID EXAM 1

• School: University of Maryland
• Department: Mathematics
• Course: MATH 130
• Professor: All

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What is the range? (b) (3 pts) solve log2(x) = 3. (c) (6 pts) solve ex = exex+1 : (10 points) Potassium-40, with a half-life of 1. 25 billion years, has been used by geochro- nologists trying to sort out the mass extinction of 250 million years ago. 1 + 4e 3t compute limt p (t) . 4. (12 points) let position be measured in feet and let time be mea- sured in seconds. 2 if x 6= 0 if x = 0 x2 + 4x + 3 x + 1 tan(x) (b) (c) lim x 1 lim x . 5x5 + 4x4 + 3x3: (12 points) (a) (8 pts) a tumor is approximately spherical in shape. You do not have to give a proof: (17 points) (a) (9 pts) find an equation for the tangent line of the graph of y = x at the point (9, 3).