Find R(x) = 
and state its domain.f(x) = 
, h(x) = 
A. (x + 9)(5x - 6); all real numbers
B. (x + 9)(5x - 6); {x|x ? 2, 
}
C. (x + 9)(5x - 6); {x|x ? 6, 2, 
}
D. (x + 9)(5x + 6); {x|x ? 6, 2, - 
}
Answer: C
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First, create a scatter plot for the data in the table. Then, use the shape of the scatter plot given to determine if the data are best modeled by a linear function, an exponential function, a logarithmic function, or a quadratic function.
A. 
exponential function
B. 
logarithmic function
C. 
quadratic function
D. 
linear function
Multiply and write answer in lowest terms.
× 
A. 
B. 
C. 
D. 
Perform the indicated operations.(3x2 - 8x + 4) - (x2 - 3x + 2) + (8x2 + 5)
A. -6x2 - 11x + 11 B. 10x2 - 5x + 11 C. 10x2 - 5x + 7 D. 10x2 - 11x + 7
s is the distance (in ft) traveled in time t (in s) by a particle. Find the velocity and acceleration at the given time.s = 
, t = 4
A. v = - 
ft/s, a = 
ft/s2
B. v = - 
ft/s, a = 
ft/s2
C. v = 
ft/s, a = - 
ft/s2
D. v = 
ft/s, a = - 
ft/s2