Solve the problem.A population grows from an initial size of 0.7 people to an amount P(t), given by
where t is measured in years from 1991. How rapidly is the growth rate of the population increasing t years from 1991?
A. 4.2t
B. 4.2
C. 0.28 + 2.1t
D. 0.28 + 2.1t2
Answer: A
Mathematics
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Use trial and error to factor the trinomial, or state that the trinomial is prime.5x2 - 18x + 8
A. (5x - 4)(x + 2) B. prime C. (5x - 2)(x + 4) D. (5x + 2)(x - 4)
Mathematics
Solve the initial value problem for y as a function of x.
= 1, x < 5, y(0) = 10
A. y = sin-1
B. y = sin-1 + 10
C. y = ln
D. y = ln + 10
Mathematics
Answer the question.For the expression , under what conditions will its value be positive?
A. a must be real B. a must be negative C. a must be 0 D. a must be positive
Mathematics
Complete.27 qt = gal
A. 6
B. 13
C. 54
D. 24
Mathematics