If (a,−20) is a point on the graph of y=x^2−9x, what is a?

If (a,−20) is a point on the graph of y=x^2−9x, what is a?

what will be its maximum height?

Let f(x) = 4x – 3 and g(x) = 3x + 2. g(f(x)) = ?

PLEASE HELP IT just says "write an equation for a stretch and reflection for y=1/x across the x axis"

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A.) 65 B.) 47 C.) 53 D.) 12

A.) a1=2;an=an-1+4 B.) a1=2;an=4an-1 C.) a1=2;an=3an-1 D.) a1=2;an=3an-1+6

A.) an=2n-2 B.) an=n-2 C.) an=12n-6 D.) an=-2n+14

A) 3/4 B) 4/5 C) 2/3 D) 7/10

Is it Inclusive? Or Mutually Exclusive?

A.) an=4n-3 B.) an=n+4 C.) an=4n+5 D.) an=2n+1

3. The minimum payment on a credit card is based on the total amount owed. A credit card company uses the following rules: For a bill less than $20, the minimum payment is the entire amount due. For...

f(x)=4x2−x−3 (a) Is the point (−1,2) on the graph of f? (b) If x =−2, what is f(x)? What point is on the graph of f? (c) If f(x) = −3, what is x? What point(s) are on the graph...

A.) a1=3;an=2an-1 B.) a1=3;an=an-1+2 C.) a1=2;an=an-1+3 D.) a1=2;an=3an-1+2