$h(t)=t^2+4t+3$ **1) What are the zeros of the function?** *Write the smaller $t$ first, and the larger $t$ second.* $\text{smaller }t=$ [[☃ input-number 1]] $\text{larger }t=$ [[☃ input-number 2]] **2) What is the vertex of the parabola?** $($[[☃ input-number 3]]$,$[[☃ input-number 4]]$)$