Add.(x3y2 - 5x2y3 + 2xy - 4) + (x2y3 - 7x3y2 + 4xy - 5)
A. -8x3y2 - 4x2y3 + 6xy - 9
B. -6x3y2 - 4x2y3 + 6xy - 9
C. -6x3y2 - 4x2y3 + 2xy - 9
D. 2x3y2 - 12x2y3 + 6xy - 9
Answer: B
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Solve.The population growth of an animal species is described by 
where t is the number of months since the species was introduced. Find the population of this species in an area 6 months after the species is introduced.
A. 704 B. 74 C. 240 D. 470
Do the following: (i) Write a formula for the function described. (ii) Evaluate the function for input 10.Function A computes the square yards in x acres. (Hint: 4840 square yards equal 1 acre.)
A. (i) A(x) = 4840x2
(ii) A(10) = 484,000
B. (i) A(x) = 
(ii) A(10) = 
? 0.002
C. (i) A(x) = 4840 + x
(ii) A(10) = 4850
D. (i) A(x) = 4840x
(ii) A(10) = 48,400
Evaluate or simplify the expression without using a calculator.10log 6
A. 60 B. 1,000,000 C. 0.000001 D. 6
Multiply or divide.
(-15)
A. -6
B. 6
C. 
D. 8