Solve the problem.Given that f(x) = 8x2 + 5x; find all values of a such that f(a) = 3.

A. a =  or a = - 
B. a = -1 or a = 
C. a = -1 or a = 
D. a = 0 or a = - 


Answer: C

Mathematics

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Find the sum.30.99124 + 162 + 3.802 + 96.03 + 2.7703

A. 295.69354 B. 295.60354 C. 295.59354 D. 296.59354

Mathematics

Solve the problem.The volume of space in a landfill, measured in meters cubed, decreases with time as given by the function  where t is measured in years. How much space is left when t = 31?

A. 210 m3 B. 200 m3 C. 110 m3 D. 380 m3

Mathematics

Find the indicated term of the sequence.The seventh term of the geometric sequence 2, -6, 18, ...

A. -1458 B. 729 C. 1458 D. -4374

Mathematics

Identify the indicated entry in matrix A.A = ; identify a23.

A. 5 B. 4 C. 3 D. 6

Mathematics