Find the value of the polynomial at the given replacement values.4x2 - 2x + x4 when x = 1
A. 3
B. -5
C. 1
D. 7
Answer: A
Mathematics
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Find an equivalent algebraic expression for the given composition.tan(arccos(x))
A. 
B. 
C. 
D. - 
Mathematics
Multiply and reduce answers to lowest terms. Write improper fractions as whole or mixed numbers.48 ? 
A. 
B. 35
C. 
D. 40
Mathematics
Use a graph to estimate the solution.Suppose the sales of a particular brand of appliance satisfy the relationship 
where y represents the number of sales in year x, with 
corresponding to 1982. Find the number of sales 
.
A. 8180 B. 8240 C. 4060 D. 4120
Mathematics
Solve the inequality graphically. Express the solution in set-builder notation.-7x + 11 ? -8x + 12
A. {
x > -7}
B. {
x ? 1}
C. {
x < -7}
D. {
x ? 1}
Mathematics