Find dy for the given values of x and dx.y = x3 - 4x2 + 2x + 1; x = 8, dx = -0.3
A. -37
B. -39
C. 39
D. 37
Answer: B
Mathematics
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Solve the problem.Let R ={(x, y): 1 ? x < 4, 0 ? y < 9}. Evaluate 
dA, where f is the function 
A. 171 B. 27 C. 9 D. 261
Mathematics
A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = -10x + 9, L = -1, x0 = 1, and ? = 0.01
A. 0.002 B. 0.004 C. -0.01 D. 0.001
Mathematics
State the phrase as a mathematical expression. Use x to represent the variable.312 divided by a number
A. 312x
B. 312 - x
C. 312 + x
D. 
Mathematics
Identify the sequence as arithmetic, geometric, or neither.
, 3, 27, 243, . . .
A. Arithmetic B. Geometric C. Neither
Mathematics