What is the excluded values of x*2-x over (x-1)(x+7)

Use continuity to evaluate the limit. lim x→16 20 + x 20 + x step 1 consider the intervals for which the numerator and the denominator are continuous. the numerator 20 + x is continuous on the interval the denominator 20 + x is continuous and nonzero on the interval

What graph correctly matches the equation y equals two negative x

Find the given elements if matrix d: