AP Precalculus Easy practice

What is the exact value of $\cos \left(\frac{\pi }{3}\right)$?

What is the period of $f(\theta )=\sin (\theta )$?

Solve ${\log }_3(x)=4$ for $x$.

A particle moves along the parametric curve $x(t)=t+1$, $y(t)=2t-3$. What is the position at $t=2$?

What is the next term of the geometric sequence $3,6,12,24,\dots$?

What is the period of $f(\theta )=\cos (4\theta )$?

Find the magnitude of the vector $\mathbf{v}=⟨3,4⟩$.

What are the real zeros of $f(x)=x^2-9$?

What is the degree of the polynomial $f(x)=3x^4-2x^3+5x-7$?

Compute $\mathbf{u}+\mathbf{v}$ where $\mathbf{u}=⟨2,-1⟩$ and $\mathbf{v}=⟨-3,4⟩$.

What is the zero of the linear function $f(x)=2x-8$?

The amplitude of $f(\theta )=3\sin (2\theta )$ is which of the following?

As $x\to \infty$, what is the end behavior of $f(x)=-2x^3+5x^2-x+4$?

If $f(x)=5\cdot 2^x$, what is $f(3)$?

Eliminate the parameter from $x=t+1$, $y=t^2$ to express $y$ as a function of $x$.