The 5th term of an arithmetic sequence is 8, and the first term is -8. Find the common difference.
Fill in the blank(s) with the appropriate word(s).
Answer: 4
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Compute r''(t).r(t) = (cos 5t)i + (3 sin t)j
A. r''(t) = (-25 cos 5t)i + (-3 sin t)j B. r''(t) = (-25 cos 5t)i + (-9 sin t)j C. r''(t) = (-5 cos 5t)i + (3 sin t)j D. r''(t) = (25 cos 5t)i + (-3 sin t)j
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 10x + 4y
A. Domain: all points in the xy-plane; range: real numbers z ? 0 ; level curves: lines 
c ? 0
B. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
C. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c > 0
D. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
Divide and/or multiply as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
÷ 
A. 
B. (x - 8)(x + 2)
C. 
D. 
Give the equation of the vertical asymptote(s) of the rational function.F(x) = 
A. x = 3, x = -3 B. x = 9 C. None D. x = -9