9000008003
Level:
A
Given the function \(f(x) = \frac{6}
{x}\),
solve the following equation.
\[
f(x) = 2
\]
\(3\)
\(2\)
\(- 2\)
\(- 3\)
A
9000008004
Level:
A
Given the function \(f(x) = -\frac{8}
{x}\),
evaluate \(f(-4)\).
\(2\)
\(- 4\)
\(4\)
\(32\)
9000008006
Level:
A
Given the functions \(f(x) = \frac{2}
{x}\)
and \(g(x) = \frac{4}
{x}\),
identify a true statement.
\(f(2) = g(4)\)
\(f\left (\frac{1}
{2}\right ) = g(2)\)
\(f(1) > g(2)\)
\(f(4) < g(10)\)
9000008007
Level:
A
Given the functions \(f(x) = -\frac{3}
{x}\)
and \(g(x) = 6\),
solve \(f(x) = g(x)\).
\(-\frac{1}
{2}\)
\(- 2\)
\(3\)
\(6\)
9000007205
Level:
A
Given the linear function
\[
f(x) = -3x + 2
\]
solve the inequality \(f(x)\geq 1\).
\(x\leq \frac{1}
{3}\)
\(x\geq \frac{1}
{3}\)
\(x\leq \frac{2}
{3}\)
\(x\geq 2\)
9000007204
Level:
A
Among the following functions identify an odd function
\(f\) which
satisfies \(f(-2) = 4\).
\(f(x) = -2x\)
\(f(x) = -2x + 1\)
\(f(x) = x + 2\)
\(f(x) = 2x + 8\)
9000007802
Level:
A
Consider linear functions \(f(x) = ax - 2\)
and \(g\colon y = -4x + 3\). Find the value of
the real parameter \(a\) which
ensure that the graphs of \(f\)
and \(g\)
are two parallel lines.
\(- 4\)
\(4\)
\(- 2\)
\(2\)
9000007804
Level:
A
Three of the points \(A = [2;-4]\),
\(B = [0;-3]\),
\(C = [-2;-1]\),
\(D = [-4;1]\) lie on
the graph of the same linear function. Identify these points. (Colinear points.)
\(B\),
\(C\),
\(D\)
\(A\),
\(B\),
\(C\)
\(A\),
\(B\),
\(D\)
\(A\),
\(C\),
\(D\)
9000008001
Level:
A
Consider the function \(f(x)= -\frac{4}
{x}\)
and the points \(A = [1;-4]\),
\(B = [-2;2]\),
\(C = [4;1]\),
\(D = [2;2]\).
How many of these points are on the graph of the function
\(f\)?
\(2\)
\(1\)
\(3\)
\(4\)
9000005702
Level:
A
Given the linear function \(f(x) = -2x + 3\),
evaluate \(f(2) + f(-2)\).
\(6\)
\(0\)
\(3\)
\(- 8\)