Find each function value, if possible?
1. f (x) = 3x − 5
(a) f (1)
(b) f (−3)
(c) f (x + 2)
2. V(r) = 4/3(r3
(a) V(V3)
(b) V(3/2)
(c) V(2r)
3. g(t) = 4t2 − 3t + 5
(a) g(2)
(b) g(t − 2)
(c) g(t) − g(2)
4. h(t) = −t2 + t + 1
(a) h(2)
(b) h(−1)
(c) h(x + 1)