Find the zero of the linear function.f(x) = 3 - 7x

A.
B. - 
C. - 
D.


Answer: A

Mathematics

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Find the derivative.y = 4 - 15x2

A. 4 - 30x B. -30 C. 4 - 15x D. -30x

Mathematics

Solve the initial value problem. = , y(1) = 2

A. y = 5 sin-1 x + 
B. y = 5 cos-1 x
C. y = 5 sin-1 x - 3
D. y = -5 cos-1 x + 2

Mathematics

Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Find the equation of the least-squares regression line that models the data

A. y ? 55.8 - 2.79x B. y ? 26.4 + 1.42x C. y ? -26.4 - 1.42x D. y ? 55.8 + 2.79x

Mathematics

Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.y = 7

A. y-intercept: (0, 7), m: 0

B. y-intercept: (0, 0), m: 7

C. y-intercept: (0, 0), m:  

D. y-intercept: (7, 0), m: undefined

Mathematics