transformations unit in math

If f(0) = acos(b0) + 1, where a > 0 and b > 0, then a true statement is Select one: of O a. -a+1sosa+1 O b. -1 sf(0) s 1 O c. -isas1 O d. -a +1sf(0)sa+1 14 The graph of the function f(x) =psin(qx +/) +s, where p. q, r ands are all real numbers, must have Select one: ut of O a. a phase shift of -r O b. a period of lal O c. an amplitude of 2p O d. a maximum value of p 15 A student graphed a function of the form g (0) = asin[b(0 -c)], where a > 0 and b > 0, as shown below. She found three x-intercepts at , 19n - and 37 7 . The value of b rounded to the nearest hundredth is red 6 6 6 d out of on