Find the zero of the linear function.f(x) = 3 - 7x
A. 
B. - 
C. - 
D. 
Answer: A
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Find the derivative.y = 4 - 15x2
A. 4 - 30x B. -30 C. 4 - 15x D. -30x
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
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
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