Other method:
zeros of numerator and denominator are x = -2 and x = 4.
Look at the second picture.
for x < -2 → x + 2 < 0 and x - 4 < 0
therefore
for -2 < x < 4 → x + 2 > 0 and x - 4 < 0
therefore
for x > 4 → x + 2 > 0 and x - 4 > 0
therefore
Which expression is equivalent to this one? u · 5 + u · v A. u(5 + v) B. 5(u + v) C. v(5 + u) D. u · (5 + u) · v
1 answer:
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