Solve the problem.List all the combinations of 6 objects a, b, c, d, e, and f taken 2 at a time. What is C(6, 2)?
A. aa, ab, ac, ad, ae, af, ba, bb, bc, bd, be, bf, ca, cb, cc, cd, ce, cf, da, db, dc, dd, de, df, ea, eb, ec, ed, ee, ef, fa, fb, fc, fd, fe, ff
C(6, 2) = 36
B. ab, ac, ad, ae, af, bc, bd, be, bf, cd, ce, cf, de, df, ef
C(6, 2) = 15
C. ab, ac, ad, ae, af, ba, bc, bd, be, bf, ca, cb, cd, ce, cf, da, db, dc, de, df, ea, eb, ec, ed, ef, fa, fb, fc, fd, fe
C(6, 2) = 30
D. ab, ac, ad, ae, bc, bd, be, cd, ce, cf, de, df
C(6, 2) = 12
Answer: B
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Solve.Given log b 4 = 1.0596 and log b 7 = 1.4873, evaluate log b 4b .
A. 1.0596 B. 2.0596 C. 2.5469 D. 1.1514 + b
Use the Rational Zero Theorem to list all possible rational zeros for the given function.f(x) = -4x4 + 2x2 - 3x + 6
A. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 4
B. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
C. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 4, ± 6
D. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
Determine the direction in which the parabola opens, and the vertex.y = x2 - 6x + 5
A. Opens upward; (-3, -4) B. Opens upward; (3, -4) C. Opens to the right; (-4, -3) D. Opens to the right; (-4, 3)
Decide whether the set of ordered pairs is a function.{(2, -9), (2, -2), (4, -3), (8, 1), (11, 2)}
A. Function B. Not a function