Regan states that any function without exponents must be linear. Which function proves Regan’s statement is incorrect?
$y=\frac{4}{x}+2$
$y=3x+1$
$y=\frac{x}{4}+3$
$y={x}^{3}+2$
Three irrational expressions are shown in the first column of the table. Match each expression to its closest approximate value on the top row of the table.
5.34
6.32
3.52
$2\sqrt{10}$
$\frac{3}{4}\sqrt{22}$
$1.7\mathrm{\pi}$
Consider the equation 3(x + 4) = 4 + 3x. How many solutions does this equation have?
0 solutions
1 solution
2 solutions
Infinitely many solutions
Three times a number plus nine is four times the sum of the same number and 2. What is the value of the unknown number?
There are infinitely many solutions.
x = 7
There is no solution.
x = 1
A company uses $6.8x{10}^{5}$ bolts a month in producing aircraft parts. The helicopter department uses $2.3x{10}^{2}$ bolts per month. How many bolts are used in other aircraft? Express your answer in scientific notation.
$4.5\times {10}^{5}$
$5.5\times {10}^{3}$
$6.777\times {10}^{5}$
$6.7977\times {10}^{5}$