Solve the equation. +  = 3

A. {4}
B. {1}
C.
D. ?


Answer: C

Mathematics

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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 3 for r(t) = (7t - 3t4)i  + (10 - t)j + (8t2 - 6t)k

A. a(3) = -81i + 16k B. a(3) = -324i - j + 16k C. a(3) = 324i + 16k D. a(3) = -324i + 16k

Mathematics

Determine an appropriate domain of the function. Identify the independent and dependent variables.A weather balloon of radius r (in meters) is filled with air. The volume V of the balloon is given by the function . Assume the balloon can hold up to 4 m3 of air.

A. = 
The independent variable is V.
The dependent variable is r.

B. = [0, 4]
The independent variable is r.
The dependent variable is V.

C. = 
The independent variable is r.
The dependent variable is V.

D. = 
The independent variable is r.
The dependent variable is V.

Mathematics

Determine all values for the digit d that make the first number divisible by the second number. If none exist, so state.  214,21d is divisible by 11.

Fill in the blank(s) with the appropriate word(s).

Mathematics

Use the rational zeros theorem to determine the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = x5 - 4x2 + 3x + 5

A. ± 1, ± 5
B. ± , ± , ± 5
C. ± 1, ± 
D. ± 5, ± 

Mathematics