- ELEMENTARY FUNCTIONS–
690.Which of the coordinate planes shows the
graph of a function that has a range that con-
tains negative values?
a.A
b.B
c.D
d.Band D
e.A, B,and D
691.Which of the coordinate planes shows the graph of
a function that has a domain of all real numbers?
a.B
b.D
c.E
d.B andD
e.B andE
692.Which of the coordinate planes shows the
graph of a function that has the same range as
its domain?
a.B andC
b.C andD
c.B andD
d.B andE
e.D andE
693.Of the equations graphed on the coordinate
planes, which function has the smallest range?
a.A
b.B
c.C
d.D
e.E
694.Simplify f(2y– 1) when f(x) = x^2 + 3x–2.
a. 4 y^2 + 2y– 4
b. 4 y^2 + 6y– 2
c. 4 y^2 + 6y– 3
d. 2 y^2 + 6y– 4
695.Simplify f(x+ h) – f(x) when f(x) = –(x– 1)^2 + 3.
a.h
b.f(h)
c.h(h– 2x+ 2)
d.–2hx+ h^2 – 2h
696.Compute (g ̊h)(4) when g(x) = 2x^2 – x– 1 and
h(x) = x – 2 x.
a. 0
b. 1
c.–1
d. 4
697.Simplify (f ̊f ̊f)(2x) when f(x) = –x^2.
a. 16 x
b.–16x
c. 64 x^8
d.–256x^8
698.Iff(x) = 3x+ 2 and g(x) = 2x– 3, what is the
value ofg(f(–2))?
a.–19
b.–11
c.–7
d.–4
e.–3
699.Iff(x) = 2x+ 1 and g(x) = x– 2, what is the
value off(g(f(3)))?
a. 1
b. 3
c. 5
d. 7
e. 11
700.Iff(x) = 6x+ 4 and g(x) = x^2 – 1, which of the
following is equivalent to g(f(x))?
a. 6 x^2 – 2
b. 36 x^2 + 16
c. 36 x^2 + 48x+ 15
d. 36 x^2 + 48x+ 16
e. 6 x^3 + 4x^2 – 6x– 4