Combine like terms and simplify 16y + 9 + 4 + 4y. A. 20y + 12
B. 24y + 8
C. 20y + 13
D. 24 + 8y

Which function has the smallest y-intercept value

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6