Find the value of the derivative.   if y = 4 - 

A. 5
B. 3
C. - 1
D. 1


Answer: D

Mathematics

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Solve the problem.Suppose that y =  can be used to calculate the number of years y for x percent of a population of  sparrows to die. Approximate the percentage (to the nearest whole per cent) of  sparrows that died after 3 years.

A. 97% B. 87% C. 89% D. 85%

Mathematics

Sketch the graph of the function. ? ?

A. ?


B. ?


C. ?


D. ?


E. ?


Mathematics

Solve the equation and check your proposed solution.-29 + n = 14

A. -15 B. 15 C. 43 D. -43

Mathematics

Factor the trinomial completely.48x2 + 28xy + 4y2

A. (3x + y)(4x + 3y) B. 4(3x + y)(4x + y) C. 4(3x - y)(4x - y) D. (12x + 4y)(4x + y)

Mathematics