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Math·Advanced Math·Nonlinear functions

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The given equation $y=-\frac{1}{4}{x}^2+x+29$ models a company’s active projects over 6 months, where $y$ is the estimated number of active projects $x$ months after the end of April 2013, where $0\le x\le 6$.

Which statement is the best interpretation of the $y$-intercept of the graph of this equation in the $xy$-plane?

A

At the end of April 2013, the estimated number of active projects was 0.

B

At the end of April 2013, the estimated number of active projects was 29.

C

At the end of May 2013, the estimated number of active projects was 0.

D

At the end of May 2013, the estimated number of active projects was 29.