Which function is graphed below? f(x) = -cos(x)
f(x) = cos(x)
f(x) = sin(x)
f(x) = -sin(x)

Find an equation for the linear function which has slope -10 and x-intercept -7

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

What’s the range cuz i can’t find it?