for all or = -1, let the function f be defined as f(x)=squareroot x+1 Whcih of the followinng is equal to f(15)-f(8)?

A f(-1)
B f(0)
C f(1)
D f(7)

Question

for all > or = -1, let the function f be defined as f(x)=squareroot x+1> Whcih of the followinng is equal to f(15)-f(8)?

A f(-1)
B f(0)
C f(1)
D f(7)

anonymous · Answer

first, calculate f(15)-f(8) = ????

nali · Answer

oh yes i got it
 sorry i know the answer to this question already

nali · Answer

sorry @dpaInc