Find the domain of the function.h(x) = 
A. all real numbers
B. {x|x ? 4}
C. {x|x ? -6, 0, 6}
D. {x|x ? 0}
Answer: C
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Find the requested partial derivative.(?w/?y)x if 
and 
A. 1 B. 10 C. 2 D. 5
Write the number in scientific notation.2,800,000
A. 2.8 × 10-7 B. 2.8 × 107 C. 2.8 × 106 D. 2.8 × 10-6
Find the domain and range of the function.
A. Domain: {1}; Range: (-?, ?) B. Domain: (-?, 1); Range: {1} C. Domain: (-?, ?); Range: (-?, ?) D. Domain: (-?, ?); Range: {1}
Solve the following application involving graphing a linear equation.A women's clothing boutique makes $70 on each sweater sold and $100 on each jacket sold. To cover overhead costs, the boutique must make a total of $6300 on the sale of sweaters and jackets each month. The equation 
models the amount of money that must be made, where x is the number of sweaters sold and y is the number of jackets sold. Find the x-intercept and explain its meaning. 
A. (70, 0); If the store sells no jackets, it will need to sell 70 sweaters to cover the overhead costs of 
B. (0, 63); If the store sells no sweaters, it will need to sell 63 jackets to cover the overhead costs of 
C. (0, 40); If the store sells no sweaters, it will need to sell 40 jackets to cover the overhead costs of 
D. (90, 0); If the store sells no jackets, it will need to sell 90 sweaters to cover the overhead costs of 