$1\mathrm{.}3$ Arrays

Task#$3$:

$($a$)$ Create a vector $x$ having a regular spacing of $0\mathrm{.}25$ starting at $2$ and ending at $14.$

$($b$)$ Create a vector $x$ having $50$ regularly spaced values starting at $-2$ and ending at $7.$

$($c$)$ Use MATLAB to create a vector $x$ having six values between $0$ and $10($including the endpoints $0$ and $10).$ Create a vector of values $3x$ and another vector with values $5x-20.$