Identify an equation in point-slope form for the line perpendicular to y = -4x - 1 that passes through (-2, 7).
O A. y+2 = 4(x-7)
B. y - 7 = - 4(x+2)
O C. y+7.-(x - 2)
O D. y-7- (x+2)

Sera sells t-shirts at the beach. she believes the price of a t-shirt and the number of t-shirts sold are related. she has been experimenting with different prices for the t-shirts. she has collected a data set with five pairs of data; each consists of the price of a t-shirt and the number of shirts sold. the independent variable, which will go on the x-axis, is . the dependent variable, which will go on the y-axis, is the