Please help me I have four questions but in posting them all apart so this is question one

Predict which statements are true about the intervals of the continuous function. check all that apply

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?

Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d