Digital SAT Math Practice Question #2389
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Desmos Hack: Graph the function and inspect the curve's features (vertex, intercepts, asymptotes) or evaluate points directly.
By definition of an even function, $f(-x) = f(x)$ for all $x$. Therefore, $f(-4) = f(4) = -9$....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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An item priced at $80 is increased by 20%, and then the new price is decreased by 20%. What is the final price?...
In a certain school district, the average (arithmetic mean) test score for High School A is \( 84 \), and the average te...
The rational function \( f \) is defined by \( f(x) = \frac{ax + b}{cx + d} \), where \( a, b, c, \) and \( d \) are con...
If $(x^a)^b = x^{12}$ and $x^a \cdot x^b = x^7$, what is $|a - b|$?...