Decide whether a line with the given slope is upward sloping, downward sloping, horizontal or vertical.m is undefined

A. horizontal
B. vertical
C. downward
D. upward


Answer: B

Mathematics

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Write the first four terms of the binomial expansion.(x + 4)20

A. x20 + 3040x19 + 3040x18 + 145,920x17 B. x20 + 80x19 + 3040x18 + 18,240x17 C. x20 + 760x19 + 3040x18 + 72,960x17 D. x20 + 80x19 + 3040x18 + 72,960x17

Mathematics

How many distinguishable permutations of letters are possible in the word?LOOK

A. 16 B. 12 C. 4 D. 24

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Use a sum-to-product identity to rewrite the expression.sin 15° - sin 31°

A. 2cos (-8.0°) sin (23.0°) B. 2sin (-8.0°) sin (23.0°) C. 2sin (-8.0°) cos (23.0°) D. 2cos (-8.0°) cos (23.0°)

Mathematics

Find functions g and h such that f(x) = g(h(x)).f(x) = 3(x8 - x)

A. g(x) = 3x, h(x) = x8 - x B. g(x) = x8, h(x) = 3x C. g(x) = x8 - x, h(x) = x D. g(x) = x3, h(x) = x8 - x

Mathematics