Which statement is true about an authors veiwpoint ?

a) veiwpoint is the authors perspective or the opinion the author expresses

b) the first sentence of a passage always expresses the author's veiwpoint

Examine the public service ad. how does this ad transmit a cultural value? by sharing relevant high school graduation statistics by promoting a new type of educational program by reminding the public of the need for new schools by encouraging people to strive for more education