Find the domain of the function.f(x) = 3x - 8
A. (0, ?)
B. (-?, ?)
C. [8, ?)
D. (-?, 0) ? (0, ?)
Answer: B
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Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use the critical values table for the specified sample size and level of significance to determine whether a linear correlation exists.r = 0.844 when n = 10 at ? = 0.01
A. No B. Yes
Solve the problem.Show that A = au + bv is orthogonal to B = bu - av, where u and v are orthogonal unit vectors.
What will be an ideal response?
Find a rectangular equation for the curve and describe the curve.x = 
, y = t; -4 ? t ? 4
A. x = 
; portion of a circle with radius 4
B. x = 
; circle with radius 4
C. y = x2 - 16; portion of a parabola
D. y = -x2 + 16; portion of a parabola
Solve the formula for the specified variable.P = s1 + s2 + s3 for s2
A. s2 = s1 + P - s3 B. s2 = P - s1 - s3 C. s2 = s1 + s3 - P D. s2 = P + s1 + s3