找到你今天要练的题。

The function p is defined by p(n) = 7n³. What is the value of n when p(n) is equal to 56?

The function f is defined by f(x) = 4x. For what value of x does f(x) = 8?

The function g is defined by g(x) = 6x. For what value of x is g(x) = 54?

The function f is defined by f(x) = 5x². What is the value of f(8)?

The function f is defined by f(x) = 8. For what value of x does f(x) = 48?

The function f is defined by the equation f(x)= 7x + 2. What is the value of f(x) when x =4?

The function f is defined by f(x)= and f(a)= 10, where a is a constant. What is the value of a?

The function  f  is defined by f (x)=4x- 3. What is the value of f (10)?

The table shows three values of x and their corresponding values of g(x), where\( g\left(x\right)=\frac{f\left(x\right)}{x+3} \)  and f is a linear function. What is the y-intercept of the graph of y= f(x) in the xy-plane?

The function f is defined by \( f\left(x\right)=\frac{9}{7}x+\frac{8}{7} \) . For what value of x does \( f\left(x\right)=5 \) ?

The function  f  is defined by f(x)= 8x. For what value of x does f(x)= 72?

The function \( f \) is defined by \( f\left(x\right)=5\left(\frac{1}{4}-x\right)^2+\frac{11}{4} \). What is the value of \( f\left(\frac{1}{4}\right) \) ?