Always, sometimes, or never true.

A triangle has more than one obtuse interior angle

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Combine like terms to make a simpler expression 3z+z

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.