5272道题目5525 条题源记录 · 相同内容已合并
函数记号・代入与复合进阶
The function h is defined by h(x)= 5|x |. What is the value of h(-3)?
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函数记号・代入与复合进阶
If f(x) = x +2 and g(x) =2x , what is the value of 3f (-5)- g(-5)?
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函数记号・代入与复合进阶
For a certain type of rope, the equation y =900ax2, where a is a constant, gives the estimated breaking strength y, in pounds, of a rope with a circumference of x inches. Based on this equation, if a rope of this type has a circumference of 2.75 inches, it has an estimated breaking strength of 9,528.75 pounds. What is the estimated breaking strength, in pounds, of a rope of this type that has a circumference of 3.50 inches?
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函数记号・代入与复合进阶
The function b is defined by b(x) = 2(x+1). Which expression is equivalent to b(x) when x = 9?
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函数记号・代入与复合进阶
The function f is defined by \( f\left(x\right)=x^3+19 \) . What is the value of f(2)?
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函数记号・代入与复合进阶
The function g is defined by \( g\left(x\right)=\frac{x}{2} \) . For what value of x does \( g\left(x\right)=224 \) ?
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函数记号・代入与复合挑战
The table shows three values of \(x\) and their corresponding values of \(g(x)\), where \(g(x)=\frac{f(x)}{x+4}\), and \(f\) is a linear function. What is the \(y\)-intercept of the graph of \(y=f(x)\) in the \(xy\)-plane?
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函数记号・代入与复合进阶
The function f is defined by \( f\left(x\right)=x^3+9 \) . What is the value of f (2)?
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函数记号・代入与复合进阶
The function \( g \) is defined by \( g\left(x\right)=\frac{x}{2} \) . For what value of x does \( g\left(x\right)=620 \) ?
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函数记号・代入与复合挑战
The function f is defined by f(x)= 4x2. What is the value of f (11)?
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函数记号・代入与复合进阶
The function \( f \) is defined by \( f\left(x\right)=x^2+21 \) . What is the value of \( f\left(2\right) \) ?
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函数记号・代入与复合进阶
\( f\left(x\right)=10x+9 \)
The function gives the total number of people on a city tour with x tour guides. What is the total number of people on a city tour with 10 tour guides?
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